mineral
Quartz with Sulfide Inclusions
Silicon Dioxide (SiO2) with metallic mineral inclusions
Hardness of 7 on the Mohs scale, transparent to translucent with white, gray, and dark metallic patches, vitreous luster, conchoidal fracture, and no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with white, gray, and dark metallic patches, vitreous luster, conchoidal fracture, and no true cleavage.
Formation & geological history
Formed in hydrothermal veins where hot, mineral-rich fluids cooled and precipitated silica and other metallic minerals within cracks and fissures of host rock over millions of years.
Uses & applications
Used in mineral collecting, lapidary arts, and ornamental display pieces.
Geological facts
Quartz is one of the most abundant minerals on Earth's continental crust and frequently hosts valuable ore minerals such as pyrite, chalcopyrite, or galena within its crystal matrix.
Field identification & locations
Can be identified by its high hardness (scratches glass), glassy luster, and conchoidal fracture. Often found in quartz veins traversing metamorphic or igneous terrains.
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