mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, milky white to translucent color, vitreous to greasy luster, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, milky white to translucent color, vitreous to greasy luster, and conchoidal fracture with no true cleavage.
Formation & geological history
Formed via crystallization from silica-rich solutions or cooling magma, subsequently rounded by mechanical weathering and water transport in sedimentary environments.
Uses & applications
Used in landscaping, aggregate, glass manufacturing, and abrasive blasting.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, highly resistant to both chemical and mechanical weathering.
Field identification & locations
Easily identified in the field by its high hardness (scratches glass) and lack of cleavage; highly common in riverbeds and glacial drift worldwide.
