mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
AI-generated identification · may be incorrectHardness 2.5-4 on Mohs scale, pink to purple color, pearly to vitreous luster, monoclinic crystal system, perfect basal cleavage.
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Physical properties
Hardness 2.5-4 on Mohs scale, pink to purple color, pearly to vitreous luster, monoclinic crystal system, perfect basal cleavage.
Formation & geological history
Forms in granitic pegmatites and high-temperature hydrothermal veins, often associated with lithium-bearing minerals.
Uses & applications
Primary ore of the alkali metal lithium; also collected as mineral specimens and used in ornamental carvings.
Geological facts
Lepidolite is known as a source of lithium and rubidium. Its distinct lilac-gray color comes from trace amounts of manganese.
Field identification & locations
Identified by its characteristic micaceous flaky habit and lavender-pink color. Found worldwide in pegmatite-rich regions like Brazil, Madagascar, and the USA.
