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Type of rock texture
Cryptocrystalline is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin
Cryptocrystalline
Microcrystalline or cryptocrystalline form of silica
Chalcedony is an aggregate of cryptocrystalline or microcrystalline silica, or in simpler terms, a mass of individual silica crystals that are too small
Chalcedony
Mineral made of silicon and oxygen
crystals that can only be seen through a microscope (microscopic). Cryptocrystalline quartz varieties are aggregates of crystals that are too small to
Quartz
Hard, fine-grained sedimentary rock composed of cryptocrystalline silica
hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically
Chert
Cryptocrystalline form of the mineral quartz
Flint, occasionally flintstone (SiO2 ), is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs
Flint
Brittle fracture surface that does not follow any natural planes of separation
of the amorphous character of a mineral, or a material. Amorphous, cryptocrystalline, and crystalline materials can all present conchoidal fracture when
Conchoidal_fracture
Black and white variety of agate
Onyx is formed of chalcedony bands in alternating colors. It is cryptocrystalline, consisting of fine intergrowths of the silica minerals quartz and
Onyx
Type of mineral
admixtures, but only in small amounts. Magnesite occurs naturally in both cryptocrystalline and crystalline forms depending on the conditions of formation. Magnesite
Magnesite
Gemstone variety of chalcedony
chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color
Chrysoprase
Polygonal stone columns
dissolution and reprecipitation of interstitial minerals (often quartz or cryptocrystalline silica) by hot, hydrothermal fluids and the expansion and contraction
Columnar_jointing
stone tool use and manufacture. Knapped stone tools are made from cryptocrystalline materials such as chert, flint, radiolarite, chalcedony, obsidian
Stone_tool
Chalcedony variety colored by iron oxide
Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, is an opaque, impure variety of silica, usually
Jasper
carbonate rock Chert – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica Claystone – Clastic sedimentary rock composed primarily of
List_of_rock_types
Green and red chalcedony or jasper
Indian bloodstone or simply bloodstone), is a mineral aggregate, a cryptocrystalline mixture of quartz that occurs mostly as jasper (opaque) or sometimes
Heliotrope_(bloodstone)
Type of stone used to produce stone tools
sharp edge are made using cryptocrystalline materials that fracture in an easily controlled conchoidal manner. Cryptocrystalline tool stones include flint
Tool_stone
Small mass of a mineral with a contrasting composition to the enclosing sediment or rock
Chert – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica Flint – Cryptocrystalline form of the mineral quartz Neuendorf, KKE, JP Mehl
Nodule_(geology)
Sedimentary rock containing large amounts of phosphate minerals
The phosphate is present as fluorapatite Ca5(PO4)3F typically in cryptocrystalline masses (grain sizes < 1 μm) referred to as collophane-sedimentary
Phosphorite
Soft carbonate rock
minerals. These are usually quartz and clay minerals, though collophane (cryptocrystalline apatite, a phosphate mineral) is also sometimes present, as nodules
Chalk
Prehistoric stone tool
stone tools are usually made of basalt, rhyolite, granite, or other cryptocrystalline and igneous stones whose coarse structure makes them ideal for grinding
Ground_stone
Variety of fortification banded agate from South Dakota and Nebraska
like other types of agate, are composed of concentric layers of cryptocrystalline chalcedony colorized by different trace minerals. However, fortification
Fairburn_agate
Ancient production techniques
of: whether the stone is of a cryptocrystalline structure, and how conchoidally the stone fractures. A cryptocrystalline stone is one that is made up of
Lithic_technology
Type of rock
Novaculite, also called Arkansas Stone, is a microcrystalline to cryptocrystalline rock type that consists of silica in the form of chert or flint. It
Novaculite
Physico-chemical changes in sediments occurring after their deposition
Microcrystalline or cryptocrystalline form of silica Chert – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica Flint – Cryptocrystalline form
Diagenesis
Cementite (synthetic cohenite) Ceylonite (variety of spinel) Chalcedony (cryptocrystalline variety of quartz and moganite) Chiastolite (variety of andalusite)
List_of_minerals
Opaque, blue-to-green mineral
under 6, or slightly more than window glass. Characteristically a cryptocrystalline mineral, turquoise almost never forms single crystals, and all of
Turquoise
varieties Ballas Spherical, radial structure, cryptocrystalline, opaque black Bort Poorly formed, cryptocrystalline, shapeless, translucent Carbonado Massive
Material properties of diamond
Material_properties_of_diamond
Desert in East Asia
blades milling stones chipped macro tools adzes axes high quality cryptocrystallines honeycomb imprinted, corded, string paddled, low and high fired pottery
Gobi_Desert
Type of stone tool
characteristics when it comes to creating flake tools, cryptocrystalline and conchoidal fracture. Cryptocrystalline relates to a stone structure that is made up
Flake_tool
Banded variety of chalcedony
of chalcedony, a microscopic (microcrystalline) or submicroscopic (cryptocrystalline) form of silica. Most of the silica in chalcedony is quartz, while
Agate
Hydrated amorphous form of silica
show signs of the beginning of crystalline order, commonly termed cryptocrystalline or microcrystalline opal. Dehydration experiments and infrared spectroscopy
Opal
Oxide of silicon
or neutral pH (typically, 2 × 10−4 M for quartz up to 10−3 M for cryptocrystalline chalcedony), strong bases react with glass and easily dissolve it
Silicon_dioxide
Round grain found in chondrites, stony meteorites
fibrous crystals only a few micrometers in size or smaller are called cryptocrystalline chondrules. When the pyroxene fibers are coarser, they may appear
Chondrule
Prehistoric culture in the Americas c. 11,100–10,800 BCE
handle. The points were generally produced from nodules or siliceous cryptocrystalline rocks. Clovis points were thinned using end-thinning ("the removal
Clovis_culture
Occupational lung disease caused by inhalation of crystalline silica
Silica occurs in three forms: crystalline, microcrystalline (or cryptocrystalline) and amorphous (non-crystalline). "Free" silica is composed of pure
Silicosis
Meteoroid that survives Earth's atmosphere
Scoriaceous; d) Relict-grain Bearing; e) Porphyritic; f) Barred olivine; g) Cryptocrystalline; h) Glass; i) CAT; j) G-type; k) I-type; and l) Single mineral. Except
Micrometeorite
County in Wales
hard, fine-grained, sedimentary rock composed of microcrystalline or cryptocrystalline quartz), flints and other rudimentary tools. An expert, Richard Cooke
Denbighshire
X-ray analysis for identification are termed microcrystalline or cryptocrystalline. Macrocrystalline or phaneritic texture is common in intrusive igneous
Macrocrystalline
Variety of agate with blue and white banding
monoclinic (moganite) Identification Color Pale blue, white Crystal habit Cryptocrystalline silica Cleavage None Fracture Conchoidal, subconchoidal Tenacity Brittle
Blue_lace_agate
Rock-forming minerals with predominantly silicate anions
series names in italics: Quartz group (silica) – SiO2 Chalcedony – cryptocrystalline variety of silica composed mostly of quartz with some moganite Polymorphs
Silicate_mineral
Geode with trapped water
volcanic rock. Enhydro agates are made up of banded microcrystalline or cryptocrystalline quartz. The agate has a hollow center, partially containing water
Enhydro_agate
microcrystalline, but the extreme range of values suggested is 1 to 200 microns. Cryptocrystalline – Type of rock texture Macrocrystalline Microcrystalline cellulose –
Microcrystalline
Cone produced when an object passes through a solid
a cone of force that propagates through a brittle, amorphous, or cryptocrystalline solid material from a point of impact. This force eventually removes
Hertzian_cone
Mineral group, calcium phosphate
sedimentary rock containing as much as 80% apatite, which is present as cryptocrystalline masses referred to as collophane. Economic quantities of apatite are
Apatite
Type of stone tool
wide. Lithic blades are generally created using stones that have a cryptocrystalline structure. Blades are highly prominent in cultures of the Upper Palaeolithic
Lithic_blade
Volcanic rock intermediate in composition between andesite and rhyolite
dacites it is largely vitreous, while in others it is felsitic or cryptocrystalline. Dacite usually forms as an intrusive rock such as a dike or sill
Dacite
related to the propagation of a Hertzian cone of force through the cryptocrystalline matrix of the stone, but the particulars are poorly understood. Eraillures
Eraillure
Number of early modern human fossils found in Herto Bouri, Ethiopia
tools with fine-grained basalt, though a few scrapers were made with cryptocrystalline rock. Of the pool of 640, 48 flakes, blades and points were made with
Herto_Man
Type of iron-colored agate
tan, brown Rare: blue, green, purple, bright yellow Crystal habit Cryptocrystalline silica Cleavage None Fracture Conchoidal, subconchoidal Tenacity Brittle
Lake_Superior_agate
Cyclosilicate mineral
Dark blue crystals, light blue when massive Crystal habit Massive; cryptocrystalline, forming flat elongated crystals Cleavage Imperfect in one direction
Papagoite
Calcium aluminium silicate hydrate mineral
crystallised while the hydrated cement phases are disordered and cryptocrystalline or amorphous with a poorly defined stoichiometry denoted by the use
Tacharanite
Mountain in Maine, United States
literature; but this term misleads by implication that the rhyolite is a cryptocrystalline form of the mineral quartz derived from a sedimentary origin. The
Mount_Kineo
Finer-grained material in a rock within which coarser material is embedded
sandstones are held together by an infinitesimal amount of colloid or cryptocrystalline silica; when freshly dug from the quarry they are soft and easily
Matrix_(geology)
Mineral of tin, oxygen, hydrogen, and chlorine
Colorless/Pale yellow-greenish Crystal habit Platy, thin crystals, cryptocrystalline crusts Twinning On 0001 Cleavage None Fracture Hackly Tenacity Fragile
Abhurite
Sulfate mineral
godovikovite gives the ammonium alum, tschermigite. The mineral forms cryptocrystalline, often porous, masses, usually of white colour. Single crystals are
Godovikovite
Archaeological site in Virginia, United States
lithic cores that it yielded, many of which were tiny articles of cryptocrystalline smaller than cores from any other site noted by the survey. Shallower
Gentle_Site
Part of the Colorado River in Utah and Arizona, US
Canyon region, perhaps one of the major reasons for occupation". Cryptocrystalline rocks fill the Pleistocene gravel beds on the Carmel platforms. Scattered
Glen_Canyon
Scientific analysis of chipped stone artifacts
used to describe the family of cryptocrystalline quartzes that are suitable for knapping. As well as cryptocrystalline quartz, macrocrystalline quartz
Lithic_analysis
Australia. Because chert is fine-grained silica-rich microcrystalline, cryptocrystalline or microfibrious material, it preserves small fossils quite well.
Timeline_of_Earth
Topics referred to by the same term
the cone of force that propagates through a brittle, amorphous or cryptocrystalline solid material from a point of impact Inlet cone, a component of some
Cone_(disambiguation)
Nesosilicate mineral
Botryoidal or globular with columnar structure; granular to compact; cryptocrystalline Cleavage None Fracture Conchoidal to uneven Tenacity Brittle Mohs
Datolite
Geologic formation in Minnesota and Ontario
or magnetite with ilmenite, while the silicates are predominantly cryptocrystalline quartz as chert or jasper, along with some minor silicate minerals
Gunflint_chert
Archaeological site in Virginia, United States
were in the process of transitioning from the use of quartzite to cryptocrystalline for their stone tools. Evidence of occupation persists as late as
Paine_Run_Rockshelter
Agate variety from Argentina
Identification Color Red, yellow, orange, pink, gray, blue Crystal habit Cryptocrystalline silica Cleavage None Fracture Conchoidal, subconchoidal Tenacity Brittle
Condor_agate
hexagonal crystals occasionally but more commonly in microgranular/cryptocrystalline masses. Due to its thorium content, grayite displays some radioactivity
Grayite
Botryoidal form of quartz
indicate a macrocrystalline structure instead of the microcrystalline or cryptocrystalline structure of chalcedony. Grape agate may be considered a form of amethyst
Grape_agate
Free software
Jasper National Park. [...] 'jasper' is also the name of an opaque cryptocrystalline variety of quartz used for ornamentation or as a gemstone - hence
JasPer
Geological formation in the Low Omo Valley of southwestern Ethiopia
the lithics found is chert. In general high quality fine-grained cryptocrystalline silicate raw materials such as jasper, chert, chalcedony comprise
Omo_Kibish_Formation
Green variety of chalcedony
heliotrope, onyx and others) a variety of chalcedony. This is a cryptocrystalline form of silica, consisting of fine intergrowths of the minerals quartz
Chrome_chalcedony
Archeological term; material produced during the process of lithic reduction
artifacts. Results have been promising, but not spectacular. Obsidian and cryptocrystalline silicates appear to be the most promising materials for destructive
Debitage
Process of fashioning stones or rocks into tools and weapons
on both sides) or unifacial (exhibiting flaking on one side only). Cryptocrystalline or amorphous stone such as chert, flint, obsidian, and chalcedony
Lithic_reduction
Topics referred to by the same term
Opaline glass, decorative French glass Opaline silica: an amorphous or cryptocrystalline form of hydrated silica SiO2·nH2O (Opal) Opaline, a colour mutation
Opaline_(disambiguation)
Common alteration product of olivine
has crystals rimmed by a thin zone of yellowish brown or greenish cryptocrystalline material. The color of iddingsite varies from red-brown to orange-brown
Iddingsite
designated as the state's first official rock in 1969. A form of cryptocrystalline quartz (chalcedony) that is regarded as a semiprecious gemstone, agate
List of Tennessee state symbols
List_of_Tennessee_state_symbols
Art by advanced cultures of ancient societies
seal with deities, one of them being on a winged lion; 8th–7th century BC; cryptocrystalline quartz; 4.09 cm; Metropolitan Museum of Art (New York City)
Ancient_art
montroydite, eglestonite, calomel, an unidentified yellow massive cryptocrystalline mercury mineral, edoylerite, wattersite, giannellaite, mosesite, deanesmithite
Edoylerite
are not distinguishable by the naked eye. Both microcrystalline and cryptocrystalline textures are included. aplogranite A light-coloured rock of granitic
Glossary_of_geology
gradually disappear and the rock takes on a massive, homogeneous and cryptocrystalline aspect (thickness 5 to 10 meters). Stratification within the Ligérian
Ligérian
Rare arsenate mineral
891 Å, c = 16.585 Å; Z = 8 Identification Color White Crystal habit Cryptocrystalline crusts Cleavage {001} Perfect Fracture Irregular/uneven, splintery
Brassite
The two senior authors sampled peculiar veins and encrustations of cryptocrystalline fine-grained white material. One of the materials had properties which
Hotsonite
Stubby hexagonal prisms rare; common as granular massive aggregates, cryptocrystalline Cleavage None observed Fracture Conchoidal Tenacity Brittle Mohs scale
Brockite
Hälleflinta under the microscope is very finely crystalline, or even cryptocrystalline, resembling the felsitic matrix of many acid rocks. It is essentially
Halleflinta
Chemical reaction damaging concrete
the aggregates. Amorphous or poorly crystallized silica, such as cryptocrystalline chalcedony or chert present in flints (in chalk) or rolled river gravels
Alkali–silica_reaction
Conversely, halite is an example of an isotropic crystal with equal hardness in all directions. Crystal cluster Colloidal crystal Cryptocrystalline v t e
Anisodesmic_crystal
Commune in Nouvelle-Aquitaine, France
quarried by a (now redundant) tile factory. The Dogger consists of cryptocrystalline limestones, bioclastic limestones and oolithic limestones spanning
Saint-Pardoux-la-Rivière
Historic district in Minnesota, United States
fossil inclusions. High-quality nodules from this quarry display a cryptocrystalline quartz structure that makes them especially suitable for precision
Grand Meadow Chert Quarry/Wanhi Yukan Archaeological and Cultural Site
Grand_Meadow_Chert_Quarry/Wanhi_Yukan_Archaeological_and_Cultural_Site
Type of sedimentary rock
the transformation proceeds to chalcedony and finally to stable, cryptocrystalline quartz. These phase changes are accompanied by a decrease in porosity
Radiolarite
thickness is composed of grey to cream-coloured, rudist bearing, cryptocrystalline limestones. Texturally they are wackestones grading into mudstones
Angoumian
Cave and archaeological site in Iloilo, Philippines
from Lapuz Lapuz. About 98% of waste flakes recovered are made of cryptocrystalline quartz (chert). The remaining flakes were made of tektite, basalt
Lapuz_Lapuz_Cave
American drummer (born 1972)
Acoustics, 2017) with Charity Chan, Peter Evans, & Tom Blancarte Cryptocrystalline (ugEXPLODE, 2013) with Chad M. Clark Incantation Sublimation (ugEXPLODE
Weasel_Walter
Geological structure in southwestern France
The Lower Portlandian — generally composed of 35 m of well-bedded cryptocrystalline micrites — takes up the major part of the anticline. Its grey to yellowish
La_Tour-Blanche_Anticline
Meteorite found in Russia
lithic (61 %). The remaining 10 % are barred olivine, radial pyroxene, cryptocrystalline, glassy, sulfide-metal, micro-poikilitic and complex chondrules. Kainsaz
Kainsaz_meteorite
Lithics found in the greatest abundance in the Duck Valley included: cryptocrystalline quartz, blue-grey and tan chert, gray banded chert, fossiliferous
Normandy Archaeological Project
Normandy_Archaeological_Project
due to which the mineral forms sufficiently fine-grained powder cryptocrystalline aggregates. The mineral is usually found together with bismuth, topaz
Zavaritskite
fuel for a fire. fireworks flammability flint A hard, sedimentary cryptocrystalline form of the mineral quartz, categorized as a variety of chert. It
Glossary_of_firelighting
Place in Waikato region, New Zealand
those. That formation has boulders of andesite, quartz vein-stone, cryptocrystalline silica, and banded rhyolite, with cobbles of greywacke, in a poorly
Kaihere
Caves and archaeological site in India
paintings, engravings, and stone tools. Stone tools fashioned out of a cryptocrystalline material like chert, chalcedony, or jasper were discovered in and
Ambadevi_rock_shelters
[409] [410] [411] (IUPAC: copper sulfate pentahydrate) (Chalcedony: a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite)
List of minerals recognized by the International Mineralogical Association (C)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(C)
can be arranged in fan-like or irregular masses. Parascorodite is cryptocrystalline, and has a luster that can vary from earthy to vitreous. It is a soft
Parascorodite
limestones linked to the SLS were formed along with hydrothermal cryptocrystalline quartz varieties such as chalcedony and jasper. Deposits carrying
Svinjarička_Čuka
succession than others. Flint is a variety of chert, a microcrystalline or cryptocrystalline form of quartz the mode of formation of which is still debated. There
Geology of the South Downs National Park
Geology_of_the_South_Downs_National_Park
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
Male
English
 English form of Spanish Gaspar, JASPER means "treasure bearer." Early Christians assigned names to the three Magi ("wise men from the east") who visited the baby Jesus. They are mentioned but not named in the bible; Jasper is one of them, the other two are Balthasar and Melchior. Jasper is also the name of an opaque cryptocrystalline variety of quartz that may be red, yellow or brown in color. Also spelled Casper and Kasper.
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
Boy/Male
Muslim
Reviver of the religion (Islam)
Boy/Male
Arabic, Muslim
Justice; Equity; Another Name for the Quran
Boy/Male
Scandinavian
Strong as a bear.
Girl/Female
Tamil
Sarvika | ஸரà¯à®µà®¿à®•à®¾
Universal
Boy/Male
Hindu
Vidya--education esh-ishwar--god --god of education
Boy/Male
Arabic, Indian
Wise; Considerate; Intellect
Girl/Female
Muslim
Tranquility. Devout. God-inspired peace of mind.
Boy/Male
Arabic, Muslim
God Gift Forever
Boy/Male
Hindu
Gold or Lord Buddha, Early winter
Boy/Male
Indian
God Rama
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
CRYPTOCRYSTALLINE
n.
A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, as iolite.
a.
Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the microscope.
n.
A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax.
a.
Distinctly crystalline; -- used of rocks. Opposed to cryptocrystalline.
n.
A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.
n.
A variety of cryptocrystalline of a leek-green color.
a.
Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline.