Quartz
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Quartz is a hard mineral composed of silica. Its atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen atom being shared between two tetrahedra, giving an over
Quartz crystal cluster from Brazil
Common, prismatic quartz
Sceptered quartz
Sceptered quartz (as aggregates: "Elestial quartz")
Rose quartz
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Rose quartz is a pink, translucent variety of quartz with a massive habit. Its color is due to microscopic inclusions of a fibrous silicate mineral related to dumortierite. Previously, the color was b
Quartz
…traditionally called rock crystal or clear quartz, is colorless and transparent or translucent. Colored varieties of quartz are common and include citrine, rose quartz, amethyst, smoky quartz, milky quartz, and others. These color differentiations arise from the presence of impurities which change the molecular orbitals…
Rose quartz
Rose quartz sphere displaying asterism
Pink quartz cluster from Minas Gerais, Brazil