File:Malawi_Agate_(Malawi,_southeastern_Africa)_(32734668126).jpg · Wikimedia Commons · See Wikimedia Commons
AI overview
Agate is a semi-transparent, banded stone made of chalcedony that comes in many varieties and can be found worldwide in nature. People value agates for their distinctive colored bands and decorative appeal, though the term is sometimes loosely applied to similar-looking stones that aren't technically true agates.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Mineral.name
- Agate
- Mineral.category
- Tectosilicate minerals
- Mineral.group
- Quartz group
- Mineral.image
- Malawi Agate (Malawi, southeastern Africa) (32734668126).jpg
- Mineral.IMAstatus
- Variety of quartz (chalcedony)
- Mineral.boxbgcolor
- bb361c
- Mineral.boxtextcolor
- fff
- Mineral.imagesize
- 260px
- Mineral.caption
- Polished agate nodule from Malawi, Africa
- Mineral.formula
- SiO2 (silicon dioxide)
- Mineral.cleavage
- None
- Mineral.color
- Often multicolored; commonly colorless, pale blue to black, red to orange, yellow, white, brown, pink, purple; rarely green
- Mineral.habit
- Cryptocrystalline silica
- Mineral.system
- Trigonal (quartz) or monoclinic (moganite)
- Mineral.fracture
- Conchoidal
- Mineral.mohs
- 6.5–7
- Mineral.luster
- Waxy, vitreous when polished
- Mineral.refractive
- 1.530-1.543
via Wikipedia infobox
Wikidata facts
- Instance of
- mineral variety
- Subclass of
- gemstone
- Named after
- Dirillo
- Image
- Achat Mineral aus Brasilien.jpg
Show 5 more facts
- Commons category
- Agate
- streak color
- white
- chemical formula
- SiO₂
- density
- 2.6
- Mohs' hardness
- 7
via Wikidata · CC0
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