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Mineral or mineral compound that appears in an atypical form
In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process
Pseudomorph
Iron(III) oxide-hydroxide named in honor to the poet Goethe
Common goethite pseudomorphs include pyrite, siderite, and marcasite, though any iron(II)-bearing mineral could become a goethite pseudomorph if proper conditions
Goethite
Crystalline chemical element or compound formed by geologic processes
is termed a pseudomorph of (or after) the reagent. Illustrated here is a pseudomorph of kaolinite after orthoclase. Here, the pseudomorph preserved the
Mineral
Mineral variety of copper carbonate
Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur. The stone's
Malachite
Hexahydrated calcium carbonate mineral
near-freezing water. This "melting mineral" is more commonly known through its pseudomorphs. It is usually considered a rare mineral, but this is likely due to difficulty
Ikaite
Variety of quartz
the chemical composition of phantom quartz is silicon dioxide (SiO2). Pseudomorph List of minerals "The Quartz Page: Growth Forms". Amir C. Akhavan. 2005
Phantom_quartz
Copper silicate hydroxide mineral
other secondary minerals. At the Shattuck Mine, it forms pseudomorphs after malachite. A pseudomorph is an atom by atom replacement of a crystal structure
Shattuckite
Clade of reptiles
Luz, B.; Sander, M.; Clemens, W.A. (1996). "Dinosaur bones: fossils or pseudomorphs? The pitfalls of physiology reconstruction from apatitic fossils" (PDF)
Dinosaur
Fifth period of the Paleozoic Era
margins of Gondwana. This is evidenced by the occurrence of glendonite (a pseudomorph of ikaite; a form of calcite deposited in glacial waters) in fine-grained
Carboniferous
Microcrystalline or cryptocrystalline form of silica
A rare pseudomorph of a spiral Turritella-like snail shell that has been replaced by chalcedony
Chalcedony
Common alteration product of olivine
crystals in a fine-grained groundmass of a porphyritic rock. It is a pseudomorph that has a composition that is constantly transforming from the original
Iddingsite
Dark pigment released by cephalopods
The shapes taken by ink releases are classified as six types: pseudomorphs; pseudomorph series; ink ropes; clouds/smokescreens; diffuse puffs; mantle
Cephalopod_ink
Class of mollusks
(this decoy is referred to as a pseudomorph). This strategy often results in the predator attacking the pseudomorph, rather than its rapidly departing
Cephalopod
Sulfide mineral
alteration of other minerals, it has been known to form pseudomorphs of many different minerals. A pseudomorph is a mineral that has replaced another mineral atom
Chalcocite
Cryptocrystalline form of the mineral quartz
Silicified remains of algae and silica pseudomorph after halite in flint. Pebble of Loire near Marcigny, France. Image width: about 5 mm
Flint
Banded variety of chalcedony
crystals and may eventually replace the original mineral, resulting in a pseudomorph. The term "sagenite" was originally a name for a type of rutile, and
Agate
In geology, processes or enrichment that occur near the surface
Chalcocite pseudomorph after covellite from Butte, Montana
Supergene_(geology)
Variety of agate with blue and white banding
Ysterputs Mine. While previously thought to be pseudomorphs after fluorite, they are likely pseudomorphs after melanophlogite. The color of blue lace agate
Blue_lace_agate
Copper mine in Bolivia
Native copper pseudomorph after aragonite, Corocoro
Corocoro_United_Copper_Mines
Uranyl phosphate mineral
meta-torbernite) is a radioactive phosphate mineral, and is a dehydration pseudomorph of torbernite. Chemically, it is a copper uranyl phosphate and usually
Metatorbernite
Various natural processes that alter a mineral's chemical composition or crystallography
circumstances, a mineral alters while maintaining its outer form known as a pseudomorph. Mineral alteration is distinctly different than the rock alteration
Mineral_alteration
Common iron oxide mineral
electrically conductive. Hematite varieties include kidney ore, martite (pseudomorphs after magnetite), iron rose and specularite (specular hematite). While
Hematite
Natural nodule-like rock concretions
altered to hematite. The radial internal structure of these objects is a pseudomorph after the original crystalline structure of the original carbonate or
Klerksdorp_sphere
Family of demersal cephalopod
screen" to hide the cuttlefish's escape, or it can be released as a pseudomorph of similar size to the cuttlefish, acting as a decoy while the cuttlefish
Cuttlefish
Mineral form of calcium oxalate
Occasionally, weddellite partially dehydrates to whewellite, forming excellent pseudomorphs of grainy whewellite after weddellite's short tetragonal dipyramids.
Weddellite
German mineralogist
Geological Association). He is best remembered for his pioneer research of pseudomorphs, and was the author of a landmark textbook on the subject, titled "Die
Johann_Reinhard_Blum
Type of metamorphic rock
the iron is present as thin layers of hematite, magnetite, or martite (pseudomorphs of hematite after magnetite). The term was originally applied in Itabirito
Itabirite
Crystal growth process relative to the substrate used as seed
Hematite pseudomorph after magnetite, with terraced epitaxial faces. La Rioja, Argentina
Epitaxy
Natural form of graphite
to be a new form of carbon, then a pseudomorph of graphite after diamond, and finally reassigned to a pseudomorph of graphite after kamacite. Cliftonite
Cliftonite
Monoclinic sodium calcium sulfate mineral
mineral composition is readily altered into other minerals as pseudomorphs. Gypsum pseudomorphs are common due to increased humidity. Glauberite, its cast
Glauberite
Topics referred to by the same term
pseudomorphosis in Wiktionary, the free dictionary. Pseudomorphosis may refer to: Pseudomorph, in mineralogy Pseudomorphosis (Spengler), a key concept in Oswald Spengler's
Pseudomorphosis
Iron (II) disulfide mineral
during diagenesis. Pyrite and marcasite commonly occur as replacement pseudomorphs after fossils in black shale and other sedimentary rocks formed under
Pyrite
Museum in Moscow, Russia
collections: Systematic collection. Crystal collection. Locality collections. Pseudomorph collection. Gems and stone art collection. 1835–1845 Grigori Gelmersen
Fersman_Mineralogical_Museum
Intensely oxidized, weathered or decomposed rock
quartz and iron oxides, limonite, goethite, and jarosite, exist as pseudomorphs, replacing the pyrite and primary ore minerals. Frequently, gossan appears
Gossan
Process of fossilization
Petrifying well – Body of water with high mineral content Substitution pseudomorph – Mineral or mineral compound that appears in an atypical form Rhynie
Petrifaction
Rock that survived a destructive geologic process
process called serpentinization, in which a host mineral produces a pseudomorph, and the original mineral is eventually replaced and/or destroyed, but
Relict_(geology)
National park in Alberta, Canada
dolomite and igneous rocks. There are fossilized sea beds as well as salt pseudomorph. There are numerous stromatolite formations that are 1.3 billion years
Waterton_Lakes_National_Park
Formation of serpentinite by hydration and metamorphic transformation of olivine
minerals (other than antigorite) are converted to talc. The presence of pseudomorphs of the original serpentinite minerals shows that this alteration takes
Serpentinization
Zinc-iron sulfide mineral
blende crystal structure is 0.541 nm. Sphalerite has been found as a pseudomorph, taking the crystal structure of galena, tetrahedrite, barite and calcite
Sphalerite
Variety of nepheline syenite from Loch Borralan, Scotland
bearing nepheline syenite variety which contains nepheline-alkali feldspar pseudomorphs interpreted to be after leucite which occur as conspicuous white spots
Borolanite
Sulfide mineral
argentite as a proper mineral. The name "argentite" sometimes also refers to pseudomorphs of argentite: specimens of acanthite which still display some of the
Argentite
Hydrated iron oxide mineral
limonite often presents as a clay or mudstone. However, there are limonite pseudomorphs after other minerals such as pyrite. This means that chemical weathering
Limonite
Hard, fine-grained sedimentary rock composed of cryptocrystalline silica
deposition, including shallow water sedimentary structures and evaporite pseudomorphs, which are casts of crystals of soluble minerals that could have formed
Chert
Cave crystals constituting box-like blades between bygone bedrocks
mineral casts would not be called boxwork, but would instead be called pseudomorphs, or epimorphs. In cave geology, boxwork is an uncommon type of mineral
Boxwork
Village in Cornwall, England
taxation, court proceedings and jails. The mine is renowned for its pseudomorphs, in this case tin oxide, or cassiterite, that takes on the shape of the
Porthtowan
Phosphate mineral
monoclinic vivianite oxidizes to form the amorphous santabarbaraite. Pseudomorphism may be seen in Victoria, Australia, in Wannon Falls (originally a well-known
Santabarbaraite
Group of phyllosilicate minerals
Chlorite pseudomorph after garnet from Michigan (size: 3.5 × 3.1 × 2.7 cm)
Chlorite_group
Geological formation in Ontario, Canada
near-shore marine to lagoonal setting, and the evaporites and casts of halite pseudomorphs, with sides of up to 30 centimetres (12 in), suggest the environment
Bertie_Group
Lead sulfate mineral
cavities in glistening granular galena; and from Leadhills, in Scotland, pseudomorphs of anglesite after galena are known. At most localities it is found as
Anglesite
Endorheic lake in California
tufa. It was relatively clear that the thinolites represented a calcite pseudomorph after some unknown original crystal. The original crystal was only determined
Mono_Lake
peramorphosis, perimorph, plesiomorphy, polymorphic, polymorphism, pseudomorph, synapomorphy, teleomorph, teleomorphic, theriomorphic, trimorphic, trimorphism
List of Greek and Latin roots in English/H–O
List_of_Greek_and_Latin_roots_in_English/H–O
Orthorhombic anhydrous vanadate hydroxide mineral
Pseudomorph of mottramite after dendritic copper, Tsumeb mine, Namibia
Mottramite
Phyllosilicate mineral in the brittle mica group
has a close association with beryl, and it generally crystallizes in pseudomorphs after it, or in cavities associated with reformed beryl crystals. The
Bityite
Zeolite mineral
California; Iceland; Scotland; and the Bay of Fundy, Nova Scotia. Prehnite pseudomorphs after laumontite (epimorphs) have been found in India. "Zeolite Group"
Laumontite
preserved textiles but from impressions made into clay and from preserved pseudomorphs. The only evidence found for clothing is from iconography and some unearthed
History of clothing in the Indian subcontinent
History_of_clothing_in_the_Indian_subcontinent
Rare mineral
orthorhombic pseudomorphism and exhibits tabular crystals. Joaquinite-(Ce) belongs to the monoclinic crystal system with orthorhombic pseudomorphism. It forms
Joaquinite-(Ce)
Copper sulfate mineral
with minerals such as malachite, azurite, and chrysocolla, and may form pseudomorphs with these minerals. The mineral is found in a number of locations around
Brochantite
Phosphate mineral
crystals up to 4 mm in length, often as divergent, radial aggregates and as pseudomorphs after triphlyte crystals; occurs in the Barker pegmatite (formerly Ferguson
Sinkankasite
Nesosilicate mineral
28 lb (13 kg). have been found at Greenwood in Maine, but these are pseudomorphs of quartz after phenakite. For gem purposes the stone is cut in the brilliant
Phenakite
Study of decomposition and fossilization of organisms
structures. Gut bacteria form pseudomorphs replicating the form of soft tissues within the animal. These pseudomorphs are possible explanation for the
Taphonomy
Phyllosilicate mineral in the brittle mica group
other aluminous minerals. It has been reported as forming alteration pseudomorphs of chiastolite along with muscovite and paragonite. The margarite in
Margarite
National park in South Dakota, United States
calcite fins were once cracks filling gypsum and anhydrite. Calcite-gypsum pseudomorphs are common. The released sulfuric acid weakened the bedrock, allowing
Wind_Cave_National_Park
Sedimentary carbonate rock containing a high percentage of the mineral dolomite
dolomite bed converted back to limestone. This is indicated by a texture of pseudomorphs of mineral dolomite that have been replaced with calcite. Dedolomitized
Dolomite_(rock)
Water-soluble mineral deposit formed by evaporation from an aqueous solution
recognised as evaporitic it may simply require recognition of halite pseudomorphs, sequences composed of some proportion of evaporite minerals, and recognition
Evaporite
feldspar in miarolitic pegmatites as a coating. It also occurs as a pseudomorph of beryl. There's a known case of it occurring from pneumatolytically
Bavenite
Mine in New York, United States of America
York". Rocks & Minerals 82 (6): 484-88 Dana, E. S. 1874. "On serpentine pseudomorphs and other kinds from the Tilly Foster iron mine, Putnam County, New York"
Tilly_Foster_Mine
Arsenate mineral
gartrellite at the Central Cobar Mines, New South Wales, Australia, where some pseudomorphs of duftite after mimetite have also found. It occurs in association with
Duftite
English affixes added before a word
original protoplasm, prototype pseudo- false, imitation pseudonym, pseudomorph pyro- fire pyrokinetic, pyrotechnic quadri- four quadrilateral, quadrinomial
English_prefix
Copper sulfide mineral
Djurleite Djurleite pseudomorph after pyrite from New Mexico, specimen size 2.4 cm General Category Copper sulfide Formula Cu31S16 IMA symbol Dju Strunz
Djurleite
National park in California, United States
features of note on the islands include beachrock, eolianite, and caliche pseudomorphs. More than 2,000 species of plants and animals can be found within the
Channel_Islands_National_Park
Mountain in New Hampshire, US
addition to impressive folds, the Devonian Littleton Formation shows large pseudomorphs of sillimanite after andalusite that occur as 4-inch-long (102 mm) "turkey
Mount_Monadnock
Geological formation in Connecticut and Massachusetts
— Open Access — Distributed under CC BY 4.0 "A New Specimen of Sand Pseudomorph Dinosaur Bones with Tetrapod Tracks from the Early Jurassic, Hartford
Portland_Formation
Chromium oxide mineral
skarnified quartzites at the Outokumpu mine where it developed as fibrous pseudomorphs. Mineral associations include carbonate minerals, zinc-bearing chromite
Guyanaite
Species of squid
that H. heteropsis most often produces an ink cloud categorized as "pseudomorphs", which are "dense blobs of ink the approximate shape and size of the
Histioteuthis_heteropsis
Ammonium feldspar mineral
Color Colorless Crystal habit Compact masses replacing plagioclase as pseudomorphs Cleavage Good on {001}, distinct on {010} Tenacity Brittle Mohs scale
Buddingtonite
Group of inosilicate minerals
minerals (such as hornblende as an alteration product of pyroxene). Pseudomorphs of amphibole after pyroxene are known as uralite. The name amphibole
Amphibole
Structural change preserving the crystallographic structure of the original material
4 An alternate example is the oxidation of magnetite to maghemite. Pseudomorphism Pseudomorphic substitution IUPAC, Compendium of Chemical Terminology
Topotactic_transition
Geological petrification process
stage at a low-temperature condition. Metasomatism Permineralization Pseudomorph Silica cycle Akahane, Hisatada; Furuno, Takeshi; Miyajima, Hiroshi; Yoshikawa
Silicification
Dinosaur fossils
imitated all of the fine detail of the original feather, creating a pseudomorph. Billy and Cailleux, in 1969, proposed a mechanism by which bacteria
Specimens_of_Archaeopteryx
Phenomenon in crystallization
101. Nelson, Stephen A. (2013). "Twinning, Polymorphism, Polytypism, Pseudomorphism". Tulane University. Retrieved 19 February 2022. Klein & Hurlbut 1993
Crystal_twinning
Holocrystalline plutonic rock
Julianehaab in Greenland with sodalite-syenite; at their margins they contain pseudomorphs after leucite. The lujaurites frequently have a parallel-banding or gneissose
Nepheline_syenite
Former company town in Nunavut, Canada
ore. The Nanisivik mine is known for its diversity of unusual pyrite pseudomorphs after marcasite and pyrrhotite. Arthur English was a prospector on CGS
Nanisivik
Town in South Australia
Neoproterozoic Cox sandstone. The quartz veins are rich in goethite, often pseudomorph after siderite. Native gold is mostly associated with goethite. Alluvial
Mongolata,_South_Australia
Anhydrous barium calcium carbonate mineral
minerals have the same formula but different structures. Baryte and quartz pseudomorphs after barytocalcite have been observed. Barytocalcite crystallizes in
Barytocalcite
sediments. In the Salt range, the stratigraphy starts with the Salt Pseudomorph zone, which has a thickness of 450 feet (137 m) and consists of dolomites
Geology_of_India
Tectosilicate mineral
Bicchulite Sharp, gray, rectangular crystals to 4 mm of bicchulite pseudomorphs after gehlenite crystals richly cover the quartz-rich matrix General Category
Bicchulite
Hydrated double sulfate of magnesium and potassium
Leonite white pseudomorphs after picromerite crystals from Potash Mine, Roßleben, Querfurt, Saxony-Anhalt.
Leonite
Coelophysoid theropod dinosaur genus from Early Jurassic Period
Slater, Donald A.; Lucas, Spencer G. (2024). "A new specimen of sand pseudomorph dinosaur bones with tetrapod tracks from the Early Jurassic, Hartford
Podokesaurus
List of Greek and Latin roots in English starting with the letter M
peramorphosis, perimorph, plesiomorphy, polymorphic, polymorphism, pseudomorph, synapomorphy, teleomorph, teleomorphic, theriomorphic, trimorphic, trimorphism
List of Greek and Latin roots in English/M
List_of_Greek_and_Latin_roots_in_English/M
Natural mineral form of lead(II) chloride
crystals; in aggregates of radiating sprays; granular, crustiform or pseudomorphs Cleavage Perfect on {010} Fracture Subconchoidal Tenacity Slightly sectile
Cotunnite
haxonite, for instance. Acanthite var. argentite (a pseudomorph after argentite) and β-quartz pseudomorphs are sometimes sold. Ramdohr (1936) discovered that
List of minerals recognized by the International Mineralogical Association
List_of_minerals_recognized_by_the_International_Mineralogical_Association
are most commonly holes and traces from branches and tree trunks while Pseudomorphs (in this case basaltic casts of tree trunks) have also been found. Lignite
Paleontology_in_Iceland
Very rare sodium calcium carbonate mineral
Since nyerereite is very unstable when it reaches the surface it creates pseudomorphs, which is basically the process by which the rock appearance and dimensions
Nyerereite
soluble minerals. This is demonstrated by the numerous pseudomorphs and partial pseudomorphs of baryte after these carbonates. The sharp pointed crystals
Rampghill_mine
3D image processing software
and testing of how sharks smell, and for generating STL models of a pseudomorph suitable for 3D printing. ScanIP has also been used for biomimicry projects
ScanIP
English chess variant inventor (1897–1974)
must capture all his opponent's pieces, including the king. "A proper pseudomorph to Chess, for it has no elements of check and mate whatever in its basis
V._R._Parton
Artifacts excavated from royal burial mounds
2010), 171–176. Blanchette, R., and E. Simpson. “Soft Rot and Wood Pseudomorphs in an Ancient Coffin (700 B.C.) from Tumulus MM at Gordion, Turkey.”
Gordion Furniture and Wooden Artifacts
Gordion_Furniture_and_Wooden_Artifacts
Volcano in Arusha Region of Tanzania
alkalis by meteoric water, and it is currently represented by calcite pseudomorphs. Global Volcanism Program, 2023. St. Helens (321050) in [Database] Volcanoes
Kerimasi
Prehnite pseudomorphs after laumontite, from Malad, Mumbai, India - size: 14.7 × 9.5 × 4.8 cm
List of minerals recognized by the International Mineralogical Association (P–Q)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(P–Q)
Naturally occurring pure metallic silver mineral
conductivity of any metal at room temperature. Native silver may also occur as pseudomorphs after acanthite, where silver sulfide (Ag2S) is replaced by metallic
Native_silver
PSEUDOMORPH
PSEUDOMORPH
PSEUDOMORPH
PSEUDOMORPH
Boy/Male
Indian, Sanskrit
Divine Sage
Male
English
English short form of Hebrew David, DAVE means "beloved."
Boy/Male
Anglo Saxon
From Ban.
Boy/Male
British, English
From the Brushwood Estate
Boy/Male
Gujarati, Hindu, Indian
Best Human Being; Great Human
Boy/Male
German
Power of an eagle.
Boy/Male
Assamese, Bengali, Indian
King
Girl/Female
Hindu, Indian
Bibahita; Married Woman
Girl/Female
Muslim/Islamic
Pleasant Gentle
Female
French
French form of Latin Amarantha, AMARANTE means "unfading."
PSEUDOMORPH
PSEUDOMORPH
PSEUDOMORPH
PSEUDOMORPH
PSEUDOMORPH
n.
A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution.
n.
A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite.
n.
A mineral occurring in greenish gray six-sided prisms, having a greasy luster. It is probably a pseudomorph after elaeolite.
a.
Not having the true form.
n.
Iron sesquioxide in isometric form, probably a pseudomorph after magnetite.
n.
A kind of pseudomorph, in which there has been a change of physical characters without alteration of chemical composition, as the change of aragonite to calcite.
n.
The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.
n.
An irregular or deceptive form.