mineral

Massive White Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness: 7 on Mohs scale; Color: Milky white to translucent; Luster: Vitreous to greasy; Crystal structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture); Specific gravity: 2.65

Hardness: 7 on Mohs scale
Color: Milky white to translucent
Luster: Vitreous to greasy

Identified July 11, 2026More mineral →

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Physical properties

Hardness: 7 on Mohs scale; Color: Milky white to translucent; Luster: Vitreous to greasy; Crystal structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture); Specific gravity: 2.65

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments. Typically crystallizes from hydrothermal veins or as a late-stage mineral in cooling magma (pegmatites).

Uses & applications

Used in glass manufacturing, electronics (piezoelectric properties), abrasives, construction aggregates, and as gemstones or decorative collection pieces.

Geological facts

Quartz is the second most abundant mineral in Earth's continental crust. It is highly resistant to both mechanical and chemical weathering, which is why it often remains as sand on beaches.

Field identification & locations

Identify in the field by its hardness (will scratch glass) and lack of cleavage. Look for it in veins within granite or as rounded pebbles in stream beds. To clean, use mild soap and water.