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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
Banded variety of chalcedony
banded variety of fibrous chalcedony. Agate stones are characterized by alternating bands of different colored chalcedony and often contain some visible
Agate
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
Mineral, quartz variety
quartz, smoky quartz, hematite, pyrite, fluorite, goethite, agate, and chalcedony. The name comes from the Koine Greek αμέθυστος amethystos from α- a-,
Amethyst
"Hist. nat.", 37, liv). The banded agate belongs to the silex family (chalcedony species) and is formed by deposits of siliceous beds in hollows of rocks
Gemstones_in_the_Bible
Variety of agate with blue and white banding
unexploited. Other regions have also produced blue lace agate or a similar blue chalcedony, including the Lapurr Range in Turkana County, Kenya, Georgia, Malawi
Blue_lace_agate
Mineral made of silicon and oxygen
commonly grouped together and referred to as chalcedony. However, in the scientific literature, chalcedony is a specific form of silica consisting of fine
Quartz
Stones used in jewellery
context of rings usually refers to a ring set with a chalcedony stone. Well-known types of chalcedony are carnelian, agate, and onyx. It is considered a
Aqeeq
Green variety of chalcedony
Chrome chalcedony is a green variety of the mineral chalcedony, colored by small quantities of chromium. Its name is derived from Mutorashanga, a small
Chrome_chalcedony
Phyllosilicate mineral
chrysocolla may be a mixture of the copper hydroxide spertiniite and chalcedony. Chrysocolla typically forms amorphously. The name chrysocolla comes from
Chrysocolla
Red-orange chalcedony variety
interchangeably. Both carnelian and sard are varieties of the silica mineral chalcedony colored by impurities of iron oxide. The color can vary greatly, ranging
Carnelian
valid species: Adamantine spar (variety of corundum) Agate (variety of chalcedony and quartz) Alabaster (variety of gypsum) Alexandrite (variety of chrysoberyl)
List_of_minerals
Green and red chalcedony or jasper
jasper (opaque) or sometimes as chalcedony (translucent). The "classic" bloodstone is translucent to opaque green chalcedony and red jasper that contains
Heliotrope_(bloodstone)
Black and white variety of agate
English word "nail" is cognate with the Greek word. Onyx is formed of chalcedony bands in alternating colors. It is cryptocrystalline, consisting of fine
Onyx
Variety of chalcedony with fire-like flashes
Fire agate is a variety of chalcedony that displays fire-like iridescent flashes. It is found only in certain areas of central and northern Mexico and
Fire_agate
Hollow formation inside a rock
and manganese can give pink tones. Many geodes contain banded agate or chalcedony, where changes in the chemistry of the solution over time produce the
Geode
Rock shelter in Oregon, United States
the teeth fragments an orange agate/chalcedony flake tool was collected. In 2017, further orange agate/chalcedony debitage was found along with bison
Rimrock_Draw_Rockshelter
Species of moth
Elaphria chalcedonia, the chalcedony midget moth, is a moth of the family Noctuidae. It is found in North America, where it has been recorded from the
Elaphria_chalcedonia
Type of rock texture
and onyx are examples of cryptocrystalline silica (chalcedony). The quartz crystals in chalcedony are so tiny that they cannot be distinguished with the
Cryptocrystalline
Botryoidal form of quartz
Grape agate, also called grape chalcedony or grape amethyst, is a botryoidal variety of quartz that occurs as clusters of small spheres. Specimen- and
Grape_agate
Patrol vessel of the United States Navy
use by the Navy on December 15, 1941, and being commissioned as the USS Chalcedony designated PYC-16 on weather duty for the Hawaiian Sea Frontier. In 1947
Velero_III
Gemstone variety of chalcedony
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel
Chrysoprase
Variety of chalcedony
Pietersite is a commercial term for a variety of the mineral chalcedony. Originating from Namibia and China, where it is mined for use as a decorative
Pietersite
Achaemenid cylinder seal
and the defeated enemies seal, is an Achaemenid cylinder seal made from chalcedony. It is dated to the late 5th to the early 4th century BCE.[clarification
Zvenigorodsky_seal
Chatoyant gemstone from the quartz family
gemstones. The trade name 'pietersite' is used for a fractured or brecciated chalcedony containing amphibole fibers and promoted as tiger's eye from Namibia and
Tiger's_eye
Agate variety
a semi-precious gemstone formed from silicon dioxide. It is a form of chalcedony which includes minerals of a green color embedded in the stone, forming
Moss_agate
(var.) Aventurine (var.) Chalcedony (var.) Agate Iris agate Onyx Sardonyx Bloodstone (Heliotrope) Carnelian Chrome chalcedony Chrysoprase Dendritic agate
List_of_gemstones_by_species
Type of iron-colored agate
permeated the basalt, forming a gel within the vesicles. Gradually, layers of chalcedony fibers and iron oxides developed from the gel, forming solid nodules of
Lake_Superior_agate
Geode with trapped water
Enhydros are closely related to fluid inclusions, but are composed of chalcedony. The formation of enhydros is still an ongoing process, with specimens
Enhydro_agate
Rock consolidated from volcanic ash
are greatly changed by silicification (which has filled them with opal, chalcedony, and quartz) and by devitrification. The frequent presence of rounded
Tuff
Binghamite (also called silkstone and cuyunite) is a type of chalcedony found only on the Cuyuna Range (near Crosby) in Crow Wing County, Minnesota. The
Binghamite
Cryptocrystalline form of the mineral quartz
variety of chalcedony Chalcedony – Microcrystalline or cryptocrystalline form of silica Eolith – Knapped flint nodule Jasper – Chalcedony variety colored
Flint
Visible shape of a mineral
cone-shaped. Their cross-sections often reveal a "concentric" pattern calcite, chalcedony, chrysocolla, goethite, malachite, romanechite Stellate Hematite Wavellite
Crystal_habit
made from cryptocrystalline materials such as chert, flint, radiolarite, chalcedony, obsidian, basalt, and quartzite via a splitting process known as lithic
Stone_tool
Topics referred to by the same term
onyx in Wiktionary, the free dictionary. Onyx is a banded variety of chalcedony (quartz). Onyx may also refer to: Onyx, California, a census-designated
Onyx_(disambiguation)
Nodule-like rock, that is formed within rhyolitic volcanic ash layers
to over a meter (three feet) across. They usually contain centres of chalcedony which may have been fractured followed by deposition of agate, jasper
Thunderegg
State rock of Missouri
consists essentially of silica (quartz - SiO2) with varying amounts of chalcedony. It has won distinction as a particular form or variety of chert because
Mozarkite
Topics referred to by the same term
Bloodstone may refer to: Heliotrope (mineral) or bloodstone, a form of chalcedony Bloodstone (1988 film), an Indian-American action/comedy film Bloodstone:
Bloodstone
American businessman
use by the Navy on December 15, 1941, and being commissioned as the USS Chalcedony. On a trip to the Galápagos Captain Hancock would attempt to identify
George_Allan_Hancock
Apostle of Jesus
Slab of chalcedony which covered the Apostle's relics at Chios, now in the Basilica of Ortona
Thomas_the_Apostle
Eocene species of gastropod
intermittent volcanic eruptions. Fossil shells of E. tenera are hosted in chalcedony-rich sedimentary rock. This rock was originally incorrectly called Turritella
Elimia_tenera
Mayan archaeological artifact
generally referred to as "flints", they were typically fashioned from chert, chalcedony and obsidian. Eccentric flints were first categorised by western archaeologists
Eccentric_flint
Town in Bithynia
Cartagena which were derived from the same Phoenician name. The mineral chalcedony is named after the city. The original Ancient Greek name Kalkhedon, found
Chalcedon
T59281A11896704.en. Retrieved 18 November 2021. Gordon T. Austin (1995), Chalcedony, in An Overview of Production of Specific U.S. Gemstones, U.S. Bureau
List of Tennessee state symbols
List_of_Tennessee_state_symbols
Crochet technique
mercerized cotton, faceted chalcedony, and freshwater pearls. Two different attachment methods were used: the chalcedony beads were strung before construction
Bead_crochet
Arm of the Indian Ocean between Asia and Africa
calcite, protodolomite,[citation needed] dolomite, quartz,[citation needed] chalcedony Evaporite minerals Magnesite, gypsum, anhydrite, halite, polyhalite Brine
Red_Sea
Quartz variety
quartz, and it should not be confused with prase, chrysoprase, chrome chalcedony, or quartz colored by inclusions of chlorite or epidote. Natural prasiolite
Prasiolite
Calcium carbonate based concretion of sediment
used to describe some forms of quartzite, bauxite, kaolinite, laterite, chalcedony, opal, and soda niter. A similar material, composed of calcium sulfate
Caliche
Texture of small enclosed cavities found in some volcanic rocks
filled with secondary minerals, such as zeolites, calcite, quartz, or chalcedony. Individual cavity fillings are termed amygdules (American usage) or amygdales
Vesicular_texture
Hard, fine-grained sedimentary rock composed of cryptocrystalline silica
fraction of a micron to 20 microns, but most typically 8 to 10 microns. Chalcedony is a microfibrous variety of quartz, consisting of radiating bundles of
Chert
German fashion designer (1933–2019)
Suzanne Belperron's pins and brooches. He used the color of one of her blue chalcedony rings as the starting point for the Chanel spring/summer 2012 collection
Karl_Lagerfeld
Glass colored with uranium oxide
which they named chrysoprase from its similarity to the green form of chalcedony of the same name. Fluorescent uranium Depression glass A uranium glass
Uranium_glass
German goldsmith (1664–1731)
was owing until 1713. 1704 Dianabad (The "Bath of Diana"), in which a chalcedony bowl in a filigree is supported between the horns of a stag's head. 1722
Johann_Melchior_Dinglinger
Items of personal adornment
chalcedony beads including: 34 flat speckled chalcedony bead, [and] 35 gold fluted beads, in groups of five. 1 necklace of flat speckled chalcedony beads
Jewellery
Variety of opal
is often mistaken for agate or chalcedony,[citation needed] and Parker Cleaveland claimed it was a variety of chalcedony. It has a milky white colour that
Cacholong
Morphology of grains indicates that the quartz is not a product of opal and chalcedony conversion, but it precipitated directly from the seawater. The crystallinity
Striped_flint
Sword of Roland, Paladin of Charlemagne
this as "sard or brown agate" indicating there is a range of types of chalcedony this word could be referring to. Moncrieff renders as "sardonyx terrace"
Durendal
Fossilized remains of plants
have been replicated with minerals (mostly silica in the form of opal, chalcedony, or quartz). In some instances, the original structure of the stem tissue
Petrified_wood
British jewellery designer (1889–1968)
characterised by the use of semi-precious and precious gems, such as chalcedony, chrysoprase, moonstone, amethyst, agate, quartz and opals, often cabochon
Sibyl_Dunlop
Reddish-brown color
Carnelian is a color named after the carnelian variety of the mineral chalcedony. This semi-precious gemstone is noted for its rich shade of reddish-brown
Carnelian_(color)
Variety of fortification banded agate from South Dakota and Nebraska
types of agate, are composed of concentric layers of cryptocrystalline chalcedony colorized by different trace minerals. However, fortification banding
Fairburn_agate
Italian artist
Barovier should be recognized for originally developing a glass paste called Chalcedony.[citation needed] At the request of Filaret, architect of the Dukes of
Angelo_Barovier
Pre-Columbian Costa Rica. It, along with other similar-looking greenstones (e.g. chalcedony, serpentine, and green jasper) were cherished and worked for years. Jadeite
Costa_Rican_jade_tradition
Town in Western Australia
is particularly rich in minerals such as gold, agate, asbestos, beryl, chalcedony, jade, jasper, tiger's eye and ores of antimony, copper, manganese and
Nullagine,_Western_Australia
Fabergé egg
to reveal a fully removable bower of flowers made of garnets and white chalcedony in a basket of platinum. The red egg stands 3.25 inches (83 mm) high,
Spring_Flowers_(Fabergé_egg)
Felsic volcanic rock
various colors (red, pink, gray, etc.) composed by crystals of quartz, chalcedony, hematite, fluorite and various colored oxides or other minerals. Lithophysae
Lithophysa
Jewish ritual object worn by the High Priest
this is most likely to be the color referred to by yošfe. Since a blue chalcedony has been found bearing an Elamite inscription calling it yašpu, clearly
Priestly_breastplate
Object worn in the belief that it may confer protection or grace on the wearer
gods has been suggested. For example, Jupiter is represented on milky chalcedony, Sol on heliotrope, Mars on red jasper, Ceres on green jasper, and Bacchus
Amulet
Red mercury(II) sulfide mineral, HgS
with native mercury, stibnite, realgar, pyrite, marcasite, opal, quartz, chalcedony, dolomite, calcite, and barite. Cinnabar is found in essentially all mineral
Cinnabar
Fine-grained igneous rock, resulting from alteration of oceanic basalt
chlorite, epidote, calcite, and actinolite. Spilite is veined by calcite or chalcedony, and vesicles and cavities are filled with secondary minerals. It is generally
Spilite
Cubic form of mercury sulfide
native mercury, wurtzite, stibnite, marcasite, realgar, calcite, barite, chalcedony and hydrocarbons. It was first described in 1870 for an occurrence in
Metacinnabar
Pre-historic burial site in Bulgaria
in the graves from the Varna Chalcolithic site are numerous beads of a chalcedony (carnelian) and agate composition. Three main morphological types of beads
Varna_Necropolis
Type of stone bead
as well. Imitation dzi are created from materials other than agate or chalcedony. They can be made of glass, resin, lampwork, wood, bone, plastic, metal
Dzi_bead
Archaeological site in Arizona, United States
horse, and a tapir. The Clovis points were of chert, clear quartz, and chalcedony. Two hearths were discovered and sampled for radiocarbon dating. During
Lehner_Mammoth-Kill_Site
1899 Fabergé egg
in the form of a vase of pink quartz, in which there is a bouquet of chalcedony lilies, the stems and leaves of lilies are made of gold, and the nuts
Rose_Quartz_(Fabergé_egg)
Geological formation in the United States
consists of a lower grey-to-purple claystone with abundant fist-sized chalcedony and barite concretions; the unit is highly bentonitic and contains occasional
Cloverly_Formation
Oxide of silicon
(typically, 2 × 10−4 M for quartz up to 10−3 M for cryptocrystalline chalcedony), strong bases react with glass and easily dissolve it. Therefore, strong
Silicon_dioxide
Preserved remains or traces of organisms from a past geological age
expressed in the form of quartz, chalcedony, agate, opal, among others, with the shape of the original remain. Chalcedony replaced fossil shells of Elimia
Fossil
Canadian geologist and mining engineer
During one of his collecting trips he noticed a bladed mineral enclosed in chalcedony on the edge of Kamloops Lake in the Kamloops Mining Division, British
Walter_Frederick_Ferrier
Index of articles associated with the same name
aragonite, goethite, rutile, or a zeolite. Any other variety of quartz or chalcedony with acicular inclusions of another mineral. Rutile sagenite from Brazil
Sagenite
Blue chalcedony (1967)
List of U.S. state minerals, rocks, stones and gemstones
List_of_U.S._state_minerals,_rocks,_stones_and_gemstones
Geologic formation in Alaska, United States
range: Cambrian Type Formation Lithology Primary Limestone Other Chert, chalcedony Location Region Alaska Country United States Type section Named for Hillard
Hillard_Limestone
North American cultural period (1000 BCE – 1000 CE)
especially whelks, from the south Atlantic and Gulf coasts; Knife River chalcedony from North Dakota; and obsidian from Yellowstone in Wyoming. The most
Woodland_period
American poet and writer
Poetry: Chalcedony's Second Ten Songs (2009) ISBN 978-1879457966 Mainline to the Heart and Other Poems (2009) ISBN 978-1587901393 Chalcedony's First Ten
Clive_Matson
2025 single by Burna Boy
Weakness. Damini "Burna Boy" Ogulu – vocals, songwriting Students of Chalcedony School – choir Andrew "Dre Skull" Hershey – production, songwriting William
Love_(Burna_Boy_song)
Archeological site in Uttar Pradesh, India
settlement with hearths, hand-made cord-impressed pottery, and microliths, chalcedony are found here during excavation. Remains of pottery and rice have been
Chopani_Mando
Archaeological site in Nicaragua
archaeology. The site evidenced an abundance of pottery, stone artifacts of chalcedony and basalt, and fragments of prismatic knives (of obsidian, probably imported
León_Viejo
Historic cemetery in Massachusetts, United States
omit a first name (for example, "Here lyes buried the wife John Chalcedony, Mrs. Chalcedony"). By far the most prevalent image on the tombstones is the winged
Salem_Street_Burying_Ground
Ancient Roman site
century by Pope Paschal I to be housed in the rebuilt Santa Prassede. A chalcedony phalerae and other objects made of rock, crystal, and glass found in the
Catacomb_of_Priscilla
King of Babylon
reign. Nazimaruttaš kudurru stone Maruts AO 7704, an irregular block of chalcedony with a nine-line Sumerian inscription, now held in the Louvre, transcribed:
Nazi-Maruttash
Arsenate mineral
hydrothermal environments and was associated with veins of quartz and chalcedony in the type locality. It has also been reported from Italy, Morocco, Chile
Roselite
Carbon steel for making sparks
take a sharp edge can be used, such as chert, quartz, agate, jasper or chalcedony. The sharp edge of the flint is used to violently strike the fire steel
Fire_striker
Short story by Elizabeth Bear
podcast LeVar Burton Reads. The story follows a sentient war machine, Chalcedony, which is the lone survivor of a highly apocalyptic war that has reduced
Tideline_(short_story)
Paleontological and archaeological sites in Soria province, Spain
Hand axe of chalcedony of Torralba. Illustration by Obermaier (1925, page 194).
Torralba_and_Ambrona
Series of conflicts in the 5th century BC
Cylinder seal, chalcedony; depicts a 'Median' (Persian) warrior, on the left, facing a Greek warrior, with hoplite equipment, stabbing him with a lance;
Greco-Persian_Wars
Manner in which light interacts with a crystal, rock, or mineral's surface
Waxy minerals have a lustre resembling wax. Examples include jade and chalcedony. Asterism is the display of a star-shaped luminous area. It is seen in
Lustre_(mineralogy)
Form of chalcedony
Beekite is a distinctive form of chalcedony usually associated with silica replacing carbonate minerals in fossils (e.g., the top part of the coral illustrated)
Beekite
2025 studio album by Burna Boy
engineering (2, 4, 5, 8–10, 16) Jackson Haile – mixing assistance Students of Chalcedony School – choir (4, 16) Travis Scott – featured vocals (5) Du-Wayne Hinds
No_Sign_of_Weakness
Species of gastropod
featuring a dextral, elongately conic shape. Its coloration is a pale chalcedony yellow that fades toward the apex and becomes more opaque—nearly a straw
Auriculella_straminea
Ancient Chinese name of an unknown mineral
variously, as blue-green malachite, blue coral, white coral, whitish chalcedony, red spinel, and red jade. It is also the name of a mythological langgan
Langgan
CHALCEDONY
CHALCEDONY
CHALCEDONY
CHALCEDONY
Girl/Female
Indian
Sounds of Ornaments
Boy/Male
Indian, Telugu
Sentiment of Love
Boy/Male
Hindu, Indian
Giver of Joy or Pleasure
Boy/Male
Hindu
Every lighting in our face, King of the solar race
Boy/Male
Hindu, Indian, Marathi
Successful; Winner
Girl/Female
Hindu, Indian, Sanskrit
Goddess Durga
Girl/Female
Indian
Gentle, Patient
Girl/Female
Indian, Kannada
Kindness
Boy/Male
Bengali, Hindu, Indian, Sanskrit, Tamil, Traditional
The Moon; Lord Indra
Girl/Female
Arabic, Muslim, Pashtun
Zar - Gold; Mina - Love
CHALCEDONY
CHALCEDONY
CHALCEDONY
CHALCEDONY
CHALCEDONY
n.
A variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. It was much esteemed by the ancients for making engraved ornaments.
pl.
of Chalcedony
n.
A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax.
n.
An apple-green variety of chalcedony, colored by nickel. It has a dull flinty luster, and is sometimes used in jewelry.
n.
A foul vein, like chalcedony, in some precious stones.
n.
A variety of carnelian, of a rich reddish yellow or brownish red color. See the Note under Chalcedony.
n.
A variety of quartz or chalcedony, exhibiting opalescent reflections from within, like the eye of a cat. The name is given to other gems affording like effects, esp. the chrysoberyl.
n.
A variety of chalcedony, of a clear, deep red, flesh red, or reddish white color. It is moderately hard, capable of a good polish, and often used for seals.
n.
An opaque or milk-white chalcedony, a variety of quartz; also, a similar variety of opal.
n.
Chalcedony in parallel layers of different shades of color. It is used for making cameos, the figure being cut in one layer with the next as a ground.
n.
A variety of chalcedony containing water.
a.
Of or pertaining to chalcedony.
n.
A variety of onyx consisting of sard and white chalcedony in alternate layers.