mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
AI-generated identification · may be incorrectHardness of 2.5-4 on the Mohs scale, pink to lilac color, pearly luster, and flaky or micaceous crystal structure with perfect basal cleavage.
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Physical properties
Hardness of 2.5-4 on the Mohs scale, pink to lilac color, pearly luster, and flaky or micaceous crystal structure with perfect basal cleavage.
Formation & geological history
Forms in lithium-rich granitic pegmatites and high-temperature hydrothermal veins through crystallization of complex silicate melts.
Uses & applications
Primary ore of the alkali metal lithium, and widely used by collectors and in lapidary arts for cabochons.
Geological facts
Lepidolite is often found closely associated with other lithium-bearing minerals like spodumene and tourmaline.
Field identification & locations
Easily identified by its distinctive lilac-pink color, mica-like cleavage sheets, and association with pegmatites.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
mineral