mineral
Pink Quartz
Silicon Dioxide (SiO2)
Hardness of 7 on the Mohs scale, pink to rose-red color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, no true cleavage, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, pink to rose-red color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, no true cleavage, specific gravity of 2.65.
Formation & geological history
Forms primarily in pegmatites and hydrothermal veins, as well as in metamorphic environments. Often associated with granitic magmas during the final stages of crystallization.
Uses & applications
Commonly used in ornamental carvings, gemstone jewelry, and metaphysical practices. High-purity quartz is also vital in electronics and glassmaking.
Geological facts
The pink coloration is typically attributed to trace amounts of titanium, iron, or manganese, or microscopic fiber inclusions of dumortierite.
Field identification & locations
Easily identified by its distinct pink hue, glassy luster, and high hardness which allows it to scratch glass. Found worldwide, notably in Brazil, Madagascar, South Africa, and the USA.
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Potassium Feldspar (Orthoclase)
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Schist
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