Crimson Cupriteâ„¢
Commercial unregistered name for a combination of chrysocolla and cuprite from Mexico. Do you have a nice example of this stone and would like to…
Commercial unregistered name for a combination of chrysocolla and cuprite from Mexico. Do you have a nice example of this stone and would like to…
Commercial unregistered name for petrified wood from the Coromandel Peninsula, New Zealand. Again, a fantasy name introduced by Robert Simmons (Heaven & Earth). Do you…
Name for an unusual mineralogical phenomenon. This is a fusion of indialite and cordierite with a so-called trapiche habit (wagon wheel pattern). Usually largely or…
Misleading commercial name for a red and white banded calcite. It contains no jasper or quartz at all. Inclusions of probably iron in the various…
Commercial fancy name for quartz (or sometimes glass) with a variety of internal fractures/bursts in various colors (pink/yellow/orange), usually as polished tumble stones or polished…
Commercial name for light blue aragonite-calcite from Pakistan/Afghanistan, regularly misrepresented or confused with hemimorphite, see below. Sometimes also called blue aragonite or aquatine (calcite), but…
Commercial name for still unoxidized crocidolite with quartz, thus the precursor of tiger’s eye. The blue color is caused by 2-valent iron ions (Fe2+) compared…
Commercial name for a light-colored, mottled stone reminiscent in appearance of the fur of a Dalmatian dog. Although the stone is often called Dalmatian jasper,…
Mineral name for a rare mineral from the silicate group. Named for the type locality, near the Chara River in Russia. Material from the type…
Misleading commercial name for larvikite, a magmatic rock (syenite or monzonite) from Larvik, Norway. Among other things, the rock contains feldspars that show a bluish…
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