mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness: 7 (Mohs scale); Color: Clear to translucent white; Luster: Vitreous (glassy); Crystal Structure: Hexagonal (trigonal); Cleavage: Indistinct/Conchoidal fracture; Specific Gravity: 2.65

Hardness: 7 (Mohs scale)
Color: Clear to translucent white
Luster: Vitreous (glassy)

Identified July 9, 2026More mineral →

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Physical properties

Hardness: 7 (Mohs scale); Color: Clear to translucent white; Luster: Vitreous (glassy); Crystal Structure: Hexagonal (trigonal); Cleavage: Indistinct/Conchoidal fracture; Specific Gravity: 2.65

Formation & geological history

Formed in igneous, metamorphic, and sedimentary environments through the cooling of silica-rich magma or from hydrothermal veins. Occurs in various geological ages globally.

Uses & applications

Used in electronics (oscillators), manufacturing of glass and ceramics, abrasives, jewelry, and as decorative metaphysical specimens.

Geological facts

Clear quartz is the most common mineral on Earth's continental crust. These specific specimens are 'points' or segments that have been partially polished or tumble-finished for sale.

Field identification & locations

Identify in the field by its hardness (scratches glass), lack of cleavage, and vertical striations on crystal faces. Found worldwide, with major deposits in Brazil and Arkansas, USA.