mineral
Tumbled Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale, Color: Brownish-orange/amber due to mineral inclusions, Luster: Vitreous to greasy when tumbled, Crystal system: Trigonal, Cleavage: None
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Physical properties
Hardness: 7 on Mohs scale, Color: Brownish-orange/amber due to mineral inclusions, Luster: Vitreous to greasy when tumbled, Crystal system: Trigonal, Cleavage: None
Formation & geological history
Formed in various geological environments, commonly hydrothermal veins and pegmatites, later weathered and water-worn or tumbled artificially.
Uses & applications
Used for jewelry, decorative items, meditation, and crystal collecting.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its conchoidal fracture, high hardness (scratches glass), and lack of cleavage. Found worldwide.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Septarian Pebble
Septarian nodule / Concretion
sedimentary