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Azoproite

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Formula:
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
Colour:
Black
Lustre:
Adamantine
Hardness:
Crystal System:
Orthorhombic
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.


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Classification of AzoproiteHide

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 AzoproiteHide

Adamantine
Colour:
Black
Hardness:
5½ on Mohs scale

Optical Data of AzoproiteHide

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 AzoproiteHide

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

Crystallography of AzoproiteHide

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 V:
340.12 ų (Calculated from Unit Cell)

Type Occurrence of AzoproiteHide

Synonyms of AzoproiteHide

Other Language Names for AzoproiteHide

Relationship of Azoproite to other SpeciesHide

Member of:
Other Members of this group:
BonaccorditeNi2Fe3+(BO3)O2Orth.
FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2Orth.
LudwigiteMg2Fe3+(BO3)O2Orth.
VonseniteFe2+2Fe3+(BO3)O2Orth.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Forsterite2 photos of Azoproite associated with Forsterite on mindat.org.
Spinel1 photo of Azoproite associated with Spinel on mindat.org.
Calcite1 photo of Azoproite associated with Calcite on mindat.org.
Tazheranite1 photo of Azoproite associated with Tazheranite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

6.AB.05HambergiteBe2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
6.AB.10BerboriteBe2(BO3)(OH,F) · H2OTrig.
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3Hex. 6/m : P63/m
6.AB.20Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)Orth.
6.AB.20YuanfuliiteMg(Fe3+,Al)O(BO3)Orth.
6.AB.25KarliteMg7(BO3)3(OH,Cl)5Orth.
6.AB.30BonaccorditeNi2Fe3+(BO3)O2Orth.
6.AB.30FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.30LudwigiteMg2Fe3+(BO3)O2Orth.
6.AB.30VonseniteFe2+2Fe3+(BO3)O2Orth.
6.AB.35Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Mon.
6.AB.40BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
6.AB.40ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2Orth.
6.AB.40Orthopinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Orth.
6.AB.40Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.45Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2Mon.
6.AB.45Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2Mon.
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2Mon. 2/m
6.AB.50FluoboriteMg3(BO3)(F,OH)3Hex.
6.AB.50HydroxylboriteMg3(BO3)(OH)3Hex. 6/m : P63/m
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2OMon.
6.AB.60GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3Hex.
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2ClIso. m3m (4/m 3 2/m) : Fd3m
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2OTrig. 3m (3 2/m) : R3m
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)Orth. mm2 : Pna21
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3Orth. mmm (2/m 2/m 2/m) : Pmna
6.AB.85PainiteCaZrAl9(BO3)O15Hex.

Related Minerals - Dana Grouping (8th Ed.)Hide

24.2.1.1LudwigiteMg2Fe3+(BO3)O2Orth.
24.2.1.2VonseniteFe2+2Fe3+(BO3)O2Orth.
24.2.1.4BonaccorditeNi2Fe3+(BO3)O2Orth.
24.2.1.5ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2Orth.
24.2.1.6FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.6.1Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)Orth.
9.6.3NordenskiöldineCaSn4+[BO3]2Trig. 3 : R3
9.6.4Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2Mon.
9.6.5Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2Mon.
9.6.6Béhierite(Ta5+,Nb5+)(BO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd

Other InformationHide

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 AzoproiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 56: 360.

Internet Links for AzoproiteHide

Localities for AzoproiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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.
USA
 
  • Alaska
    • Nome Borough
      • Seward Peninsula
Aleksandrov, S. M., & Troneva, M. A. (2008). Heterovalent isomorphism in the magnesium-iron borates. Geochemistry International, 46(8), 800.
Mineral and/or Locality  
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