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Catapleiite (•2) is a dimorph of Gaidonnayite rarely found by itself. Its name derives from the Greek words “κατα” (kata) and “πλειον” (pleion) meaning “with more” as it is mostly accompanied by a number of rare minerals. When pure it is colorless, but it is most often seen as a tan, brownish-red, light yellow, dark brown, flesh red or orangish in color. It is mostly found on Låven Island, Norway. Its hardness on the
Catapleiite (•2) is a dimorph of Gaidonnayite rarely found by itself. Its name derives from the Greek words “κατα” (kata) and “πλειον” (pleion) meaning “with more” as it is mostly accompanied by a number of rare minerals. When pure it is colorless, but it is most often seen as a tan, brownish-red, light yellow, dark brown, flesh red or orangish in color. It is mostly found on Låven Island, Norway. Its hardness on the Mohs Scale
The Mohs scale of mineral hardness () is a qualitative ordinal scale, from 1 to 10, characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.
The scale was introduced in 1812 by the ...
is around 5 1/2-6. It has a monoclinic
In crystallography, the monoclinic crystal system is one of the seven crystal systems. A crystal system is described by three vectors. In the monoclinic system, the crystal is described by vectors of unequal lengths, as in the orthorhombic ...
crystal system.
References
Monoclinic minerals {{Mineral-stub