| Azoproite | |
|---|---|
 Rare azoproite crystals | |
| General | |
| Category | Borate mineral |
| Formula (repeating unit) | (Mg,Fe ) 2(Fe ,Ti,Mg)(BO 3)O 2 |
| IMA symbol | Azo |
| Crystal system | Orthorhombic |
| Identification | |
| Color | Black |
| Cleavage | Distinct/Good Good on (010), less good on (001) |
| Fracture | Conchoidal |
| Tenacity | Brittle |
| Mohs scale hardness | 5.5 |
| Luster | Adamantine |
| References | |
Azoproite is a rare manganese iron borate mineral with the chemical formula (Mg,Fe)2(Fe,Ti,Mg)(BO3)O2. It was first identified near Lake Baikal, Russia. It was named after the Association pour l'Etude Géologique des Zones Profondes de l'Ecorce Terrestre, whose acronym is AZOPRO in French.
References
- Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Azoproite Archived 2016-12-01 at the Wayback Machine on mindat.org
External links
- Azoproite data sheet
- Azoproite on the Handbook of Mineralogy
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