mineral
Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals (hydrous magnesium iron alumino-silicate)
Hardness: 7 (Quartz host); Color: Colorless to white quartz with green moss-like chlorite inclusions; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None
- Hardness
- 7 (Quartz host)
- Luster
- Vitreous
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Physical properties
Hardness: 7 (Quartz host); Color: Colorless to white quartz with green moss-like chlorite inclusions; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None
Formation & geological history
Formed in hydrothermal veins and alpine-style fissures where quartz crystals grow alongside or over chlorite minerals, typically at low to medium temperatures.
Uses & applications
Highly valued by mineral collectors for its aesthetic 'garden' or 'phantom' appearance; used in jewelry as cabochons or polished points.
Geological facts
Chlorite inclusions often form 'phantoms,' which are ghostly outlines of a crystal's earlier growth stage preserved inside the current crystal.
Field identification & locations
Identify by the presence of green, flaky, or moss-like mineral trapped inside clear or milky quartz. Commonly found in regions with significant metamorphic activity like the Alps, Brazil, or Arkansas.
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