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Azoproite

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Formula:
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
System:
Orthorhombic
Colour:
Black
Lustre:
Adamantine
Hardness:
Member of:
Name:
A Russian acronym honoring the Study of Deep Zones of the Earth’s Crust (AZOPRO in Russian) sponsored in 1969 by the International Geological Association.
This page provides mineralogical data about Azoproite.


Classification of Azoproite

Approved
Approval Year:
1970
6.AB.30

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
24.2.1.3

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
9.6.2

9 : Borates
6 : Borates of Ti, Sn and Ta

Physical Properties of Azoproite

Adamantine
Colour:
Black
Hardness (Mohs):

Optical Data of Azoproite

Type:
Biaxial (+)
RI values:
nα = 1.799 nβ = 1.822 nγ = 1.855
Max Birefringence:
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v medium

Chemical Properties of Azoproite

Formula:
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
IMA Formula:
Mg2[(Ti,Mg),Fe3+]O2BO3
Elements listed in formula:

Crystallography of Azoproite

Crystal System:
Orthorhombic
Cell Parameters:
a = 9.27 Å, b = 12.23 Å, c = 3 Å
Ratio:
a:b:c = 0.758 : 1 : 0.245
Unit Cell Volume:
V 340.12 ų (Calculated from Unit Cell)

Type Occurrence of Azoproite

Relationship of Azoproite to other Species

Member of:
Other Members of Group:
BonaccorditeNi2Fe3+(BO3)O2
FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2
LudwigiteMg2Fe3+(BO3)O2
VonseniteFe22+Fe3+(BO3)O2
6.AB.05HambergiteBe2(BO3)(OH)
6.AB.10BerboriteBe2(BO3)(OH,F) · H2O
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3
6.AB.20Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)
6.AB.20YuanfuliiteMg(Fe3+,Al)O(BO3)
6.AB.25KarliteMg7(BO3)3(OH,Cl)5
6.AB.30BonaccorditeNi2Fe3+(BO3)O2
6.AB.30FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2
6.AB.30LudwigiteMg2Fe3+(BO3)O2
6.AB.30VonseniteFe22+Fe3+(BO3)O2
6.AB.35Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2
6.AB.40BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32
6.AB.40ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2
6.AB.40Orthopinakiolite(Mg,Mn2+)2Mn3+(BO3)O2
6.AB.40Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2
6.AB.45Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2
6.AB.45Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2
6.AB.50FluoboriteMg3(BO3)(F,OH)3
6.AB.50HydroxylboriteMg3(BO3)(OH)3
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2O
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2O
6.AB.60GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2Cl
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2O
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3
6.AB.85PainiteCaZrAl9(BO3)O15
9.6.1Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)
9.6.3NordenskiöldineCaSn4+[BO3]2
9.6.4Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2
9.6.5Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2
9.6.6Béhierite(Ta5+,Nb5+)(BO4)

Other Names for Azoproite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Azoproite

Reference List:
American Mineralogist: 56: 360.

Internet Links for Azoproite

mindat.org URL:
https://www.mindat.org/min-442.html
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Localities for Azoproite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Russia (TL)
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lake Baikal area
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Konev A A, Lesedeva V S, Kashaev A A, Ushchapovskaya Z F (1970) Azoproite, a new mineral of the ludwigite group, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 99, issue 2, 225-231
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
        • Dogdo River Basin
          • Tas-Khayakhtakh Range
            • Titovskoe B deposit
              • Izvestkovyi Stream
E. Galuskin and N.N. Pertsev analytical data; Galuskina I.O., Kadiyski M., Armbruster T., Galuskin E.V., Pertsev N.N., Dzierzanowski P., Wrzalik R. (2008) A new natural phase in the system Mg2SiO4-Mg2BO3F-Mg2BO3(OH): composition, paragenesis and structure of OH-dominant pertsevite, - Eur. J. Mineral., 20, p. 951-964.
Mineral and/or Locality  
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