To learn more about the mineralogy of the agate, see Mindat.org
See the agate (landscape) for sale.
See the agate (cross) for sale.
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Agate
- Translations : Achat, Achát, Agaat, Agat, Agata, Ágata, Agatas, Agate, Ahat, Ahāts, Ahhaat, Akaatti, Akik, Агат, 瑪瑙, メノウ, אגט, العقيق, โมรา.
- Etymology : From "Achates", a river in Sicily.
- Type localityDirillo river (Achates river), Ragusa Province, Sicily, Italy
Gemological data
- Chemical formula : SiO2
- Hardness (Mohs) : 6.5 - 7
- Density : 2.58 à 2.64
- Refractive index : 1.535 - 1.539
- Birefingence : 0.006
- Crystal system : Hexagonal
- Group : Microcrystalline Quartz
The gallery
Agate croix- Cross Agate
Agate paysage – Landscape Agate
Agate paysage – Landscape Agate
Alphabet Agate
