mineral

Clear Quartz (Double Terminated)

Silicon Dioxide (SiO2)

Hardness: 7 on Mohs scale; Color: Colorless/White; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.

Hardness: 7 on Mohs scale
Color: Colorless/White
Luster: Vitreous

Identified June 27, 2026More mineral →

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Physical properties

Hardness: 7 on Mohs scale; Color: Colorless/White; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.

Formation & geological history

Formed during the cooling of silica-rich magma or in hydrothermal veins and geothermal environments. This specific specimen has been carved and polished into a double-terminated wand shape.

Uses & applications

Used in electronics (oscillators), optical instruments, glassmaking, jewelry, and widely used in metaphysical/holistic practices.

Geological facts

Quartz is the second most abundant mineral in Earth's continental crust. Pure quartz is traditionally called rock crystal. Its piezoelectric properties allow it to generate an electric charge under mechanical stress.

Field identification & locations

Identify by its hardness (scratches glass), lack of cleavage, and hexagonal crystal habit. Common in granitic rocks and metamorphic zones worldwide. Collectors should look for clarity and 'inclusions'.

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