Definitions for roscoelite
This page provides all possible meanings and translations of the word roscoelite
A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, potassium, silicon, and vanadium.
a green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium
Roscoelite is a green mineral from the mica group that contains vanadium. The chemical formula is K(V3+, Al, Mg)2AlSi3O10(OH)2. Crystals of roscoelite take on the monoclinic form, and are from the 2/m point group. The appearance is semi transparent to translucent coloured olive brown to green brown. The lustre is pearly. The mineral shows pleochroism with X showing green-brown, and Y and Z axes showing olive-green colour. The mineral was named after Henry Enfield Roscoe who first produced vanadium metal.
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