mineral
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
Hardness of 7 on the Mohs scale, pale to vibrant green color, vitreous to waxy luster, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, pale to vibrant green color, vitreous to waxy luster, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Formed in hydrothermal veins, pegmatites, or as tumbled beach/river pebbles through weathering and erosion over millions of years.
Uses & applications
Used in jewelry making, ornamental carvings, crystal healing, and lapidary arts.
Geological facts
Green varieties of quartz often get their color from inclusions of minerals such as green-fuchsite or nickel (in chrysoprase). If this is sea glass, it is man-made glass weathered by wave action.
Field identification & locations
Found worldwide in alluvial deposits, beaches, or mineral veins. Given the location near Las Vegas (Nevada), quartz and jasper varieties are common in the surrounding deserts and mountains.
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