Chemistry:Azoproite

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Azoproite
Azoproite.jpg
Rare azoproite crystals
General
CategoryBorate mineral
Formula
(repeating unit)
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
Crystal systemOrthorhombic
Identification
ColorBlack
CleavageDistinct/Good
Good on (010), less good on (001)
FractureConchoidal
TenacityBrittle
Mohs scale hardness5.5
|re|er}}Adamantine
References[1]

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.[1]

References

  1. 1.0 1.1 Azoproite on mindat.org
  2. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W. 

External links