mineral
Clear Quartz and Rose Quartz Bracelet
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale; Color: Colorless (Clear) and Pale Pink (Rose); Luster: Vitreous (glassy); Crystal Structure: Hexagonal (Trigonal); Cleavage: None (conchoidal fracture).
- Hardness
- 7 on Mohs scale
- Color
- Colorless (Clear) and Pale Pink (Rose)
- Luster
- Vitreous (glassy)
Identified More mineral →
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Physical properties
Hardness: 7 on Mohs scale; Color: Colorless (Clear) and Pale Pink (Rose); Luster: Vitreous (glassy); Crystal Structure: Hexagonal (Trigonal); Cleavage: None (conchoidal fracture).
Formation & geological history
Formed through crystallization of igneous magma or in hydrothermal veins under various temperature and pressure conditions. Many specimens are found in pegmatites.
Uses & applications
Primarily used in jewelry, as decorative beads, and for spiritual or metaphysical purposes; also used in glassmaking and electronics (piezoelectric properties).
Geological facts
Clear Quartz is known as 'Rock Crystal' and is the second most abundant mineral in Earth's crust. Rose quartz gets its pink color from trace amounts of titanium, iron, or manganese.
Field identification & locations
Field identification involves testing for hardness (quartz will scratch glass) and looking for the absence of cleavage planes. Found globally with major deposits in Brazil, Madagascar, and the USA.
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Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Nephrite Jade
Nephrite
Mineral/Rock
Granite
Granite (Phaneritic intrusive igneous rock)
igneous