Rock Identifier
Lepidolite (K(Li,Al)3(Al,Si,3O10)(F,OH)2) — mineral
mineral

Lepidolite

K(Li,Al)3(Al,Si,3O10)(F,OH)2

AI-generated identification · may be incorrect

Hardness of 2.5 to 4 on the Mohs scale, pink to lilac-gray color, pearly to vitreous luster, and monoclinic crystal system with perfect basal cleavage.

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Physical properties

Hardness of 2.5 to 4 on the Mohs scale, pink to lilac-gray color, pearly to vitreous luster, and monoclinic crystal system with perfect basal cleavage.

Formation & geological history

Forms in granite pegmatites and high-temperature quartz veins through pneumatolytic processes.

Uses & applications

Primary ore of lithium, used in glass manufacturing, and collected as ornamental mineral specimens.

Geological facts

Lepidolite is rich in lithium and often occurs alongside other lithium-bearing minerals like tourmaline and spodumene.

Field identification & locations

Identified by its distinctive lilac-pink color, mica-like flaky habit, and perfect cleavage; found globally in pegmatite-rich regions.