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Strontioperloffite
A valid IMA mineral species
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Formula:
SrMn2+2Fe3+2(PO4)3(OH)3
Colour:
dark brownish orange
Lustre:
Vitreous
Specific Gravity:
3.89 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
The strontium endmember of perloffite.
Unique Identifiers
Mindat ID:
46693
Long-form identifier:
mindat:1:1:46693:8
IMA Classification of Strontioperloffite
Approved
Approval year:
2015
Classification of Strontioperloffite
8.BH.20
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
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 for Standard |
|---|---|---|
| Splf | 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 Strontioperloffite
Vitreous
Transparency:
Translucent
Colour:
dark brownish orange
Streak:
Pale orange
Cleavage:
Perfect
parallel to {100}.
parallel to {100}.
Density:
3.89 g/cm3 (Calculated)
Optical Data of Strontioperloffite
Type:
Biaxial (-)
RI values:
nα = 1.805(4) nβ = 1.820(4) nγ = 1.829(4)
2V:
Calculated: 75°
Max. Birefringence:
δ = 0.024
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
Surface Relief:
Moderate
Chemistry of Strontioperloffite
Mindat Formula:
SrMn2+2Fe3+2(PO4)3(OH)3
Element Weights:
Crystallography of Strontioperloffite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 9.183(2) Å, b = 12.349(3) Å, c = 5.008(1) Å
β = 100.23(3)°
β = 100.23(3)°
Ratio:
a:b:c = 0.744 : 1 : 0.406
Unit Cell V:
558.88 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.055 Å | (30) |
| 5.122 Å | (25) |
| 4.682 Å | (25) |
| 3.158 Å | (100) |
| 3.106 Å | (45) |
| 2.892 Å | (35) |
| 2.735 Å | (35) |
| 1.921 Å | (69) |
Locality:
Reference:
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites | |
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47c : [Carbonates, phosphates, borates, nitrates] |
Type Occurrence of Strontioperloffite
General Appearance of Type Material:
tabular to bladed crystals up to 0.4 mm in size.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the South Australian Museum, Adelaide, South Australia, registration number G34219
Associated Minerals at Type Locality:
Synonyms of Strontioperloffite
Other Language Names for Strontioperloffite
Dutch:Strontioperloffiet
German:Strontioperloffit
Relationship of Strontioperloffite to other Species
Member of:
Other Members of Bjarebyite Group:
| Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Nigelcookite | PbFe2+2V3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Plumbojohntomaite | PbFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
| Plumboperloffite | PbMn2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
Related Minerals - Strunz-mindat Grouping
| 8.BH. | Peterchinite | Zn3Zn2(OH)6As[O3(OH)3] |
| 8.BH. | Reznitskyite | CaMg(VO4)F |
| 8.BH. | Plumbogottlobite | PbMg(VO4)(OH) |
| 8.BH. | Cuprozheshengite | Pb4CuZn2(AsO4)2(PO4)2(OH)2 |
| 8.BH. | Zheshengite | Pb4ZnZn2(AsO4)2(PO4)2(OH)2 |
| 8.BH. | Crimsonite | PbFe3+2(PO4)2(OH)2 |
| 8.BH.05 | Thadeuite | Ca(Mg,Fe2+)3(PO4)2(OH,F)2 |
| 8.BH.10 | Panasqueiraite | CaMg(PO4)(OH) |
| 8.BH.10 | Isokite | CaMg(PO4)F |
| 8.BH.10 | Lacroixite | NaAl(PO4)F |
| 8.BH.10 | Arsenatrotitanite | NaTi(AsO4)O |
| 8.BH.10 | Maxwellite | NaFe3+(AsO4)F |
| 8.BH.10 | Durangite | NaAl(AsO4)F |
| 8.BH.10 | Kononovite | NaMg(SO4)F |
| 8.BH.15 | Drugmanite | Pb2Fe3+(PO4)(PO3OH)(OH)2 |
| 8.BH.20 | Nigelcookite | PbFe2+2V3+2(PO4)3(OH)3 |
| 8.BH.20 | Plumbojohntomaite | PbFe2+2Fe3+2(PO4)3(OH)3 |
| 8.BH.20 | Cirrolite | Ca3Al2(PO4)3(OH)3 (?) |
| 8.BH.20 | Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 |
| 8.BH.20 | Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 |
| 8.BH.20 | Bjarebyite Group | |
| 8.BH.20 | Plumboperloffite | PbMn2+2Fe3+2(PO4)3(OH)3 |
| 8.BH.20 | Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 |
| 8.BH.20 | Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 |
| 8.BH.20 | Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 |
| 8.BH.25 | Bertossaite | Li2CaAl4(PO4)4(OH)4 |
| 8.BH.25 | Natropalermoite | Na2SrAl4(PO4)4(OH)4 |
| 8.BH.25 | Palermoite | Li2SrAl4(PO4)4(OH)4 |
| 8.BH.30 | Sewardite | CaFe3+2(AsO4)2(OH)2 |
| 8.BH.30 | Carminite | PbFe3+2(AsO4)2(OH)2 |
| 8.BH.35 | Adelite | CaMg(AsO4)(OH) |
| 8.BH.35 | Duftite | PbCu(AsO4)(OH) |
| 8.BH.35 | Cobaltaustinite | CaCo(AsO4)(OH) |
| 8.BH.35 | Nickelaustinite | CaNi(AsO4)(OH) |
| 8.BH.35 | Gabrielsonite | PbFe3+(As3+O3)O |
| 8.BH.35 | Conichalcite | CaCu(AsO4)(OH) |
| 8.BH.35 | Arsendescloizite | PbZn(AsO4)(OH) |
| 8.BH.35 | 'Duftite-alpha' | PbCu(AsO4)(OH) |
| 8.BH.35 | Gottlobite | CaMg(VO4)(OH) |
| 8.BH.35 | Austinite | CaZn(AsO4)(OH) |
| 8.BH.35 | Hermannroseite | CaCu(PO4)(OH) |
| 8.BH.35 | Tangeite | CaCu(VO4)(OH) |
| 8.BH.40 | Čechite | PbFe2+(VO4)(OH) |
| 8.BH.40 | Khorixasite | (Bi0.67◻0.33)Cu(VO4)(OH) |
| 8.BH.40 | Mottramite | PbCu(VO4)(OH) |
| 8.BH.40 | Descloizite | PbZn(VO4)(OH) |
| 8.BH.40 | Pyrobelonite | PbMn2+(VO4)(OH) |
| 8.BH.45 | Bayldonite | PbCu3(AsO4)2(OH)2 |
| 8.BH.45 | Vésigniéite | BaCu3(VO4)2(OH)2 |
| 8.BH.50 | Paganoite | NiBi(AsO4)O |
| 8.BH.55 | Jagowerite | BaAl2(PO4)2(OH)2 |
| 8.BH.55 | Harrisonite | Ca(Fe2+,Mg)6(PO4)2(SiO4)2 |
| 8.BH.60 | Attakolite | CaMn2+Al4(SiO3OH)(PO4)3(OH)4 |
| 8.BH.65 | Leningradite | PbCu3(VO4)2Cl |
| 8.BH.70 | Katiarsite | KTiO(AsO4) |
| 8.BH.70 | Yurgensonite | K2SnTiO2(AsO4)2 |
| 8.BH.75 | Melanarsite | K3Cu7Fe3+O4(AsO4)4 |
| 8.BH.80 | Evseevite | Na2Mg(AsO4)F |
| 8.BH.80 | Moraskoite | Na2Mg(PO4)F |
| 8.BH.85 | Piccoliite | NaCaMn3+2(AsO4)2O(OH) |
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.
Internet Links for Strontioperloffite
mindat.org URL:
https://www.mindat.org/min-46693.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Strontioperloffite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter 26. Mineralogical Magazine, 79 (4) 941-947 doi:10.1180/minmag.2015.079.4.05
Localities for Strontioperloffite
Showing 1 localities.
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.
Australia (TL) | |
| Hålenius et al. (2015) +1 other reference |
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