
mineral
Lepidolite in Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 / SiO2
Hardness: 2.5-3 (Lepidolite) to 7 (Quartz); Color: Violet, lilac, or pink mixed with white/clear; Luster: Pearly to vitreous; Crystal structure: Monoclinic/Hexagonal; Cleavage: Perfect basal (mica areas).
- Hardness
- 2
- Color
- Violet, lilac, or pink mixed with white/clear
- Luster
- Pearly to vitreous
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Physical properties
Hardness: 2.5-3 (Lepidolite) to 7 (Quartz); Color: Violet, lilac, or pink mixed with white/clear; Luster: Pearly to vitreous; Crystal structure: Monoclinic/Hexagonal; Cleavage: Perfect basal (mica areas).
Formation & geological history
Formed in granitic pegmatites where high concentrations of lithium are present. Usually occurs in late-stage magmatic crystallization. Found in areas like Brazil, Madagascar, and the USA.
Uses & applications
Used as a minor source of lithium, for lapidary work (towers, beads, carvings), and highly valued in the metaphysical community as a 'stone of transition'.
Geological facts
Lepidolite is the most common lithium-bearing mineral. Its purple color is caused by trace amounts of manganese. This specific specimen is a 'tower' or 'point' that has been cut and polished into a decorative shape.
Field identification & locations
Identify by its distinctive lilac/purple color and micaceous (shimmery) flakes often suspended within white quartz. It is much softer than amethyst and often has a sparkly, layered appearance.
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