In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process...

Common goethite pseudomorphs include pyrite, siderite, and marcasite, though any iron(II)-bearing mineral could become a goethite pseudomorph if proper conditions...

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...

the chemical composition of phantom quartz is silicon dioxide (SiO2). Pseudomorph List of minerals "The Quartz Page: Growth Forms". Amir C. Akhavan. 2005...

pseudomorphosis in Wiktionary, the free dictionary. Pseudomorphosis may refer to: Pseudomorph, in mineralogy Pseudomorphosis (Spengler), a key concept in Oswald Spengler's...

is termed a pseudomorph of (or after) the reagent. Illustrated here is a pseudomorph of kaolinite after orthoclase. Here, the pseudomorph preserved the...

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...

Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur. The stone's...

other secondary minerals. At the Shattuck Mine, it forms pseudomorphs after malachite. A pseudomorph is an atom by atom replacement of a crystal structure...

Silicified remains of algae and silica pseudomorph after halite in flint. Pebble of Loire near Marcigny, France. Image width: about 5 mm....

The shapes taken by ink releases are classified as six types: pseudomorphs; pseudomorph series; ink ropes; clouds/smokescreens; diffuse puffs; mantle...

Luz, B.; Sander, M.; Clemens, W.A. (1996). "Dinosaur bones: fossils or pseudomorphs? The pitfalls of physiology reconstruction from apatitic fossils" (PDF)...

Chalcocite pseudomorph after covellite from Butte, Montana...

Hematite pseudomorph after magnetite, with terraced epitaxial faces. La Rioja, Argentina...

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...

(this decoy is referred to as a pseudomorph). This strategy often results in the predator attacking the pseudomorph, rather than its rapidly departing...

A rare pseudomorph of a spiral Turritella-like snail shell that has been replaced by chalcedony...

altered to hematite. The radial internal structure of these objects is a pseudomorph after the original crystalline structure of the original carbonate or...

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...

for hunting, such as sharks. Ink clouds of some species might act as pseudomorphs, or decoys that the predator attacks instead. When under attack, some...

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...

soluble minerals. This is demonstrated by the numerous pseudomorphs and partial pseudomorphs of baryte after these carbonates. The sharp pointed crystals...

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...

people or animals being turned to stone Petrifying well Substitution pseudomorph – Mineral or mineral compound that appears in an atypical form Rhynie...

blende crystal structure is 0.541 nm. Sphalerite has been found as a pseudomorph, taking the crystal structure of galena, tetrahedrite, barite and calcite...

during diagenesis. Pyrite and marcasite commonly occur as replacement pseudomorphs after fossils in black shale and other sedimentary rocks formed under...

limonite often presents as a clay or mudstone. However, there are limonite pseudomorphs after other minerals such as pyrite. This means that chemical weathering...

argentite as a proper mineral. The name "argentite" sometimes also refers to pseudomorphs of argentite: specimens of acanthite which still display some of the...

electrically conductive. Hematite varieties include kidney ore, martite (pseudomorphs after magnetite), iron rose and specularite (specular hematite). While...

tufa. It was relatively clear that the thinolites represented a calcite pseudomorph after some unknown original crystal. The original crystal was only determined...