mineral
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
AI-generated identification · may be incorrectMohs hardness 2.5-4, pink to purple-violet color, pearly luster, monoclinic crystal system, perfect basal cleavage.
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Physical properties
Mohs hardness 2.5-4, pink to purple-violet color, pearly luster, monoclinic crystal system, perfect basal cleavage.
Formation & geological history
Forms in lithium-rich granitic pegmatites and high-temperature hydrothermal veins.
Uses & applications
Primary ore of lithium, used in specialty glass, ceramics, and as a mineral specimen for collectors.
Geological facts
Lepidolite is a lithium-bearing mica mineral that often contains minor amounts of rubidium and cesium.
Field identification & locations
Identified by its characteristic lilac-pink color, micaceous flaky habit, and association with other pegmatite minerals.
