mineral
Fuchsite
K(Al,Cr)2(AlSi3)O10(OH)2
AI-generated identification · may be incorrectHardness 2-3 (Mohs), emerald green to light green color, pearly to vitreous luster, monoclinic crystal structure, perfect basal cleavage, specific gravity ~2.8-2.9
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Physical properties
Hardness 2-3 (Mohs), emerald green to light green color, pearly to vitreous luster, monoclinic crystal structure, perfect basal cleavage, specific gravity ~2.8-2.9
Formation & geological history
Formed in metamorphic environments, specifically in chromium-rich schists.
Uses & applications
Used as an ornamental stone, a collector's mineral, and sometimes a source of chromium. Rarely used in jewelry due to its softness, but used in carvings or cabochons.
Geological facts
Fuchsite is the green chromium-rich variety of muscovite mica. It is famous for giving the green color to the rock known as verdite.
Field identification & locations
Identify by its micaceous (flaky) texture and distinctive green color. Commonly found in Brazil, India, and Zimbabwe.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Septarian Pebble
Septarian nodule / Concretion
sedimentary