Rock Identifier
Green Quartz (Silicon Dioxide (SiO2)) — mineral
mineral

Green Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, translucent pale green color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, translucent pale green color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.

Formation & geological history

Forms in hydrothermal veins, pegmatites, and metamorphic environments through the precipitation of silica-rich solutions over millions of years.

Uses & applications

Used in jewelry, decorative carvings, and as a polished collector's tumbled stone.

Geological facts

Green coloration in quartz is frequently caused by microscopic inclusions of minerals like actinolite, chlorite, or green tourmaline.

Field identification & locations

Identified by its high hardness (scratches glass), conchoidal fracture, and characteristic green hue; commonly sourced from Brazil, Madagascar, and the USA.