mineral
Milky Quartz
SiO2
AI-generated identification · may be incorrectHardness: 7, Color: white/cloudy, Luster: vitreous, Crystal structure: trigonal, Cleavage: none, Specific gravity: 2.65
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Physical properties
Hardness: 7, Color: white/cloudy, Luster: vitreous, Crystal structure: trigonal, Cleavage: none, Specific gravity: 2.65
Formation & geological history
Forms in igneous, metamorphic, and sedimentary rocks. Cloudiness is due to tiny fluid or gas inclusions trapped during crystal growth.
Uses & applications
Used in jewelry, decorative items, landscaping, and sometimes in glassmaking.
Geological facts
Milky quartz is the most common variety of crystalline quartz.
Field identification & locations
Identify by its hardness (scratches glass), lack of cleavage, and characteristic milky white color.
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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