Quartz Mineral Data
Environment: Sedimentary, metamorphic, and igneous rocks. IMA Status: ... Other Quartz Information: References: NAME( Sinkankas66) PHYS. PROP.() OPTIC PROP.(Mason68) See Also: ... McDougall Minerals Google Search for …quartz | Definition, Types, Uses, & Facts | Britannicaquartz, widely distributed mineral of many varieties that consists primarily of silica, or silicon dioxide (SiO2). Minor impurities such as lithium, sodium, potassium, and titanium may be present. Quartz has attracted attention from the earliest times; water-clear crystals were known to the ancient Greeks as krystallos—hence the name crystal, or more commonly rock crystal, applied …Quartz: Mineral information, data and localities. - Mindat Quartz as a rock-forming mineral, in particular as irregular grains in the matrix, occasionally poses problems and may require additional means of identification. It may be confused with cordierite (pleochroic, tendency to alteration) and nepheline (lower hardness, geological environment incompatible with quartz).