Azoproite
A valid IMA mineral species
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About Azoproite
AZOPRO logo
Formula:
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
Colour:
Black
Lustre:
Adamantine
Hardness:
5½
Specific Gravity:
3.63
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. It was found during the preparation of a guidebook for the Association's 12th meeting at Baikal.
This page provides mineralogical data about Azoproite.
Unique Identifiers
Mindat ID:
442
Long-form identifier:
mindat:1:1:442:8
GUID
(UUID V4):
(UUID V4):
cd0bf1a1-a243-4c61-b548-ebd4accdd2fb
IMA Classification of Azoproite
Approved
IMA Formula:
Mg2[(Ti,Mg),Fe3+]O2(BO3)
Approval year:
1970
First published:
1970
Classification of Azoproite
6.AB.30
6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
24.2.1.3
24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
9.6.2
9 : Borates
6 : Borates of Ti, Sn and Ta
9 : Borates
6 : Borates of Ti, Sn and Ta
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Azo | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Azoproite
Adamantine
Transparency:
Translucent, Opaque
Colour:
Black
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on (010), less good on (001)
Good on (010), less good on (001)
Fracture:
Conchoidal
Density:
3.63(2) g/cm3 (Measured) 3.63 g/cm3 (Calculated)
Optical Data of Azoproite
Type:
Biaxial (+)
RI values:
nα = 1.799(2) nβ = 1.822(3) nγ = 1.855(5)
Max Birefringence:
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v medium
Pleochroism:
Strong
Comments:
X pale green with bluish tint, Y dark green, nearly opaque, Z reddish-brown, absorption Y>Z>X.
Chemistry of Azoproite
Mindat Formula:
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
Crystallography of Azoproite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbam
Setting:
Pbam
Cell Parameters:
a = 9.26(1) Å, b = 12.25(1) Å, c = 3.01(1) Å
Ratio:
a:b:c = 0.756 : 1 : 0.246
Unit Cell V:
341.44 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.52 Å | (10d) |
| 5.07 Å | (8) |
| 2.16 Å | (6) |
| 2.02 Å | (6) |
| 2.77 Å | (5b) |
| 2.11 Å | (5) |
| 1.900 Å | (5) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 31 : Thermally altered carbonate, phosphate, and iron formations |
Type Occurrence of Azoproite
General Appearance of Type Material:
Prismatic crystals 1 to 20 mm long and 0.1 to 5 mm wide.
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, Russia, 1481/1–1481/3.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 72890–72892.
Natural History Museum, Paris, France.
National School of Mines, Paris, France, V16383.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 72890–72892.
Natural History Museum, Paris, France.
National School of Mines, Paris, France, V16383.
Geological Setting of Type Material:
Magnesian skarns in the contact aureole of the Tazheran alkalic massif.
Associated Minerals at Type Locality:
Reference:
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(2): 225-231.
Synonyms of Azoproite
Other Language Names for Azoproite
Relationship of Azoproite to other Species
Member of:
Other Members of this group:
| Bonaccordite | Ni2Fe3+(BO3)O2 | Orth. mmm (2/m 2/m 2/m) : Pbam |
| Fredrikssonite | Mg2(Mn3+,Fe3+)(BO3)O2 | Orth. mmm (2/m 2/m 2/m) : Pbam |
| Ludwigite | Mg2Fe3+(BO3)O2 | Orth. mmm (2/m 2/m 2/m) : Pbam |
| Marinaite | Cu2Fe3+O2(BO3) | Mon. 2/m : P21/b |
| Savelievaite | Mg2Cr3+O2(BO3) | Orth. mmm (2/m 2/m 2/m) : Pbam |
| Vonsenite | Fe2+2Fe3+(BO3)O2 | Orth. mmm (2/m 2/m 2/m) : Pbam |
Common Associates
Associated Minerals Based on Photo Data:
| 3 photos of Azoproite associated with Forsterite | Mg2SiO4 |
| 3 photos of Azoproite associated with Fluorophlogopite | KMg3(Si3Al)O10F2 |
| 3 photos of Azoproite associated with Sanidine | K(AlSi3O8) |
| 2 photos of Azoproite associated with Spinel | MgAl2O4 |
| 2 photos of Azoproite associated with Calcite | CaCO3 |
| 1 photo of Azoproite associated with Tazheranite | (Zr,Ti,Ca)(O,◻)2 |
| 1 photo of Azoproite associated with Enstatite | Mg2Si2O6 |
| 1 photo of Azoproite associated with Armalcolite-Pseudobrookite Series |
Related Minerals - Strunz-mindat Grouping
| 6.AB. | Rhabdoborite-(Mo) | Mg12Mo6+1.33O6(BO3)6F2 |
| 6.AB. | Chubarovite | KZn2(BO3)Cl2 |
| 6.AB. | Savelievaite | Mg2Cr3+O2(BO3) |
| 6.AB.05 | Hambergite | Be2(BO3)(OH) |
| 6.AB.10 | Berborite | Be2(BO3)(OH,F) · H2O |
| 6.AB.15 | Jeremejevite | Al6(BO3)5(F,OH)3 |
| 6.AB.20 | Warwickite | (Mg,Ti,Fe,Al)2O(BO3) |
| 6.AB.20 | Yuanfuliite | Mg(Fe3+,Al)O(BO3) |
| 6.AB.25 | Karlite | (Mg,Al)6.5(BO3)3(OH)4(◻,Cl)0.5 |
| 6.AB.30 | Bonaccordite | Ni2Fe3+(BO3)O2 |
| 6.AB.30 | Fredrikssonite | Mg2(Mn3+,Fe3+)(BO3)O2 |
| 6.AB.30 | Ludwigite | Mg2Fe3+(BO3)O2 |
| 6.AB.30 | Vonsenite | Fe2+2Fe3+(BO3)O2 |
| 6.AB.30 | Marinaite | Cu2Fe3+O2(BO3) |
| 6.AB.35 | Pinakiolite | (Mg,Mn2+)2Mn3+(BO3)O2 |
| 6.AB.35 | Folvikite | Sb5+Mn3+(Mg,Mn2+)10O8(BO3)4 |
| 6.AB.40 | Blatterite | Sb5+3(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32 |
| 6.AB.40 | Chestermanite | Mg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2 |
| 6.AB.40 | Orthopinakiolite | (Mg,Mn2+)2Mn3+(BO3)O2 |
| 6.AB.40 | Takéuchiite | (Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2 |
| 6.AB.45 | Hulsite | (Fe2+,Mg)2(Fe3+,Sn)(BO3)O2 |
| 6.AB.45 | Magnesiohulsite | (Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2 |
| 6.AB.45 | Aluminomagnesiohulsite | (Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2 |
| 6.AB.50 | Fluoborite | Mg3(BO3)(F,OH)3 |
| 6.AB.50 | Hydroxylborite | Mg3(BO3)(OH)3 |
| 6.AB.55 | Shabynite | Mg5(BO3)(OH)5(Cl,OH)2 · 4H2O |
| 6.AB.55 | Wightmanite | Mg5(BO3)O(OH)5 · 2H2O |
| 6.AB.60 | Gaudefroyite | Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3 |
| 6.AB.65 | Sakhaite | Ca48Mg16(BO3)32(CO3)16 · 2(H2O,HCl) |
| 6.AB.70 | Harkerite | Ca48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16 · 2(H2O,HCl) |
| 6.AB.75 | Pertsevite-(F) | Mg2(BO3)(F,OH) |
| 6.AB.75 | Pertsevite-(OH) | Mg2(BO3)(OH) |
| 6.AB.80 | Jacquesdietrichite | Cu2(H2BO3)(OH)3 |
| 6.AB.85 | Painite | CaZrAl9(BO3)O15 |
| 6.AB.85 | Rhabdoborite-(V) | Mg12(V5+,Mo6+,W6+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} (x < 1) |
| 6.AB.85 | Rhabdoborite-(W) | Mg12(W6+,V5+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} |
| 6.AB.90 | Mengxianminite | (Ca,Na)2Sn2(Mg,Fe)3Al8[(BO3)(BeO4)O6]2 |
Other Information
Magnetism:
Paramagnetic
Notes:
Readily dissolved by dilute HCl, not dissolved in 1:3 HNO3.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Azoproite
mindat.org URL:
https://www.mindat.org/min-442.html
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References for Azoproite
Localities for Azoproite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Konev A A et al. (1970) +2 other references |
| Shevko et al. (2019, September) |
| Galuskin +1 other reference |
Slovakia | |
| Bilohuščin et al. (2016) |
Spain | |
| in the collection of Christof Schäfer |
USA | |
| Aleksandrov et al. (2008) |
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La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain