mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
AI-generated identification · may be incorrectHardness: 2.5-4 on Mohs scale, Color: Lilac, violet, pink, or gray, Luster: Pearly to vitreous, Crystal Structure: Monoclinic, Cleavage: Perfect basal, Specific Gravity: 2.8-2.9
- Hardness
- 2
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Physical properties
Hardness: 2.5-4 on Mohs scale, Color: Lilac, violet, pink, or gray, Luster: Pearly to vitreous, Crystal Structure: Monoclinic, Cleavage: Perfect basal, Specific Gravity: 2.8-2.9
Formation & geological history
Forms in granite pegmatites and high-temperature quartz veins, often associated with other lithium-bearing minerals like spodumene and tourmaline.
Uses & applications
Primary ore of the alkali metal lithium, used in glass manufacturing, and popular as a crystal specimen for collectors.
Geological facts
Lepidolite is one of the few abundant minerals that contains lithium as an essential component, giving its characteristic purple/pink color.
Field identification & locations
Easily identified by its distinctive lilac-pink color, micaceous flaky structure, and soft feel. Commonly found in Madagascar, Brazil, Russia, and the USA.
