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Azoproite 
Summary
Azoproite is a rare manganese iron borate mineral with the chemical formula (Mg,Fe2+)2(Fe3+,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 Russian.[2]
| Azoproite | |
|---|---|
 Rare azoproite crystals | |
| General | |
| Category | Borate mineral |
| Formula (repeating unit) | (Mg,Fe2+ ) 2(Fe3+ ,Ti,Mg)(BO 3)O 2 |
| IMA symbol | Azo[1] |
| 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 | [2] |
References edit
- ^ 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.
- ^ a b Azoproite Archived 2016-12-01 at the Wayback Machine on mindat.org
External links edit
- Azoproite data sheet
- Azoproite on the Handbook of Mineralogy