metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale with a vitreous luster. Features prominent white quartz veins intersecting darker host rock with no visible cleavage.
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Physical properties
Hardness of 7 on the Mohs scale with a vitreous luster. Features prominent white quartz veins intersecting darker host rock with no visible cleavage.
Formation & geological history
Formed when mineral-rich hydrothermal fluids precipitate silica into fractures within existing rock under high pressure and temperature.
Uses & applications
Used primarily as decorative landscape stones, in lapidary work, and as geological educational specimens.
Geological facts
Quartz veins are the primary geological structures that host major gold and sulfide mineral deposits worldwide.
Field identification & locations
Identify by the stark color contrast between translucent white quartz and the darker host rock, combined with extreme scratch resistance.
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