rock crystal
Sign in to saveAlso known as rhinestone, pure quartz, clear quartz, mountain crystal
colourless and transparent form of quartz
Wikidata facts
- Instance of
- mineral variety
- Subclass of
- quartz
- Image
- Quartz oisan.jpg
Show 7 more facts
- chemical formula
- SiO₂
- Commons category
- Rock crystal
- crystal system
- trigonal crystal system
- density
- 50000.86
- described by source
- Encyclopædia Britannica 11th edition
- Mohs' hardness
- 7
- different from
- rhinestone
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