| 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] |
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 French.[2]
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