Manganoquadratite
A valid IMA mineral species
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About Manganoquadratite
Formula:
AgMnAsS3
Colour:
Dark gray
Lustre:
Metallic
Hardness:
2 - 2½
Specific Gravity:
4.680 (Calculated)
Crystal System:
Tetragonal
Name:
For the relation to quadratite.
Type Locality:
Unique Identifiers
Mindat ID:
41604
Long-form identifier:
mindat:1:1:41604:9
GUID
(UUID V4):
(UUID V4):
4766a85e-16ab-44e2-b43f-d3bfa4fa5c80
IMA Classification of Manganoquadratite
Approved
Approval year:
2011
First published:
2012
Type description reference:
Classification of Manganoquadratite
2.GC.25
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
3.4.12.4
3 : SULFOSALTS
4 : ø = 3
3 : SULFOSALTS
4 : ø = 3
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 |
---|---|---|
Mqd | 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 Manganoquadratite
Metallic
Transparency:
Opaque
Colour:
Dark gray
Streak:
reddish-brown
Hardness:
2 - 2½ on Mohs scale
Hardness:
VHN10=75 - 96 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
None observed in type material, pseudocubic cleavage noted by Sejkora (2011.
None observed in type material, pseudocubic cleavage noted by Sejkora (2011.
Density:
4.680 g/cm3 (Calculated)
Comment:
Based on empirical formula
Optical Data of Manganoquadratite
Anisotropism:
Without characteristic rotation tints
Bireflectance:
Moderate
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
471.1nm | 29.5% | 31.8% |
548.3nm | 28.1% | 30.5% |
586.6nm | 27.3% | 29.3% |
652.3nm | 26.0% | 28.2% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 31.8%.
R1 shown in black, R2 shown in red
Internal Reflections:
None
Pleochroism:
Weak
Comments:
Very weak, dark gray to blue gray
Chemistry of Manganoquadratite
Mindat Formula:
AgMnAsS3
Elements listed:
Crystallography of Manganoquadratite
Crystal System:
Tetragonal
Class (H-M):
4 2 2 - Trapezohedral
Space Group:
P43 2 2
Cell Parameters:
a = 5.4496(5) Å, c = 32.949(1) Å
Ratio:
a:c = 1 : 6.046
Unit Cell V:
978.5 ų
Z:
8
Twinning:
None observed
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
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Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
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Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
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2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0019063 | Manganoquadratite | Bonazzi P, Keutsch F N, Bindi L (2012) Manganoquadratite, AgMnAsS3, a new manganese-bearing sulfosalt from the Uchucchacua polymetallic deposit, Lima Department, Peru: Description and crystal structure American Mineralogist 97 1199-1205 | 2012 | Uchucchacua polymetallic deposit, Lima Department, Peru | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.154 Å | (77) |
2.746 Å | (52) |
2.725 Å | (100) |
2.716 Å | (13) |
1.934 Å | (53) |
1.927 Å | (27) |
1.644 Å | (28) |
1.577 Å | (21) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Manganoquadratite
General Appearance of Type Material:
dark gray, anhedral to subhedral grains up 0.5 mm across
Place of Conservation of Type Material:
Museo di Storia Naturale, Sezione di Mineralogia e Litologia, Universita` di Firenze, Firenze, Italy, catalogue number 3108/I
Associated Minerals at Type Locality:
Reference:
Bonazzi, P., Bindi, L., Keutsch, F.N. (2012) Manganoquadratite, AgMnAsS3, a new manganese-bearing sulfosalt from the Uchucchacua polymetallic deposit, Lima Department, Peru: Description and crystal structure. American Mineralogist: 97: 1199-1205.
Synonyms of Manganoquadratite
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Manganoquadratite associated with Alabandite | MnS |
2 photos of Manganoquadratite associated with Keutschite | Cu2AgAsS4 |
2 photos of Manganoquadratite associated with Calcite | CaCO3 |
2 photos of Manganoquadratite associated with Quartz | SiO2 |
1 photo of Manganoquadratite associated with Bournonite-Seligmannite Series | |
1 photo of Manganoquadratite associated with Tennantite-Tetrahedrite Series |
Related Minerals - Strunz-mindat Grouping
2.GC. | Clogauite | PbBi4Te4S3 |
2.GC.05 | Hatchite | AgTlPbAs2S5 |
2.GC.05 | Wallisite | (Cu,Ag)TlPbAs2S5 |
2.GC.10 | Sinnerite | Cu6As4S9 |
2.GC.15 | Watanabeite | Cu4(As,Sb)2S5 |
2.GC.20 | Simonite | TlHgAs3S6 |
2.GC.25 | Quadratite | Ag(Cd,Pb)AsS3 |
2.GC.30 | Smithite | AgAsS2 |
2.GC.35 | Trechmannite | AgAsS2 |
2.GC.35 | Debattistiite | Ag9Hg0.5As6S12Te2 |
2.GC.40a | Aleksite | PbBi2Te2S2 |
2.GC.40b | Kochkarite | PbBi4Te7 |
2.GC.40c | Poubaite | PbBi2(Se,Te,S)4 |
2.GC.40c | Rucklidgeite | PbBi2Te4 |
2.GC.40e | Babkinite | Pb2Bi2(S,Se)3 |
2.GC.40d | Saddlebackite | Pb2Bi2Te2S3 |
2.GC.45 | Tvalchrelidzeite | Hg3SbAsS3 |
2.GC.50 | Mutnovskite | Pb4As2S6ICl |
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 Manganoquadratite
mindat.org URL:
https://www.mindat.org/min-41604.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
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References for Manganoquadratite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011, CNMNC Newsletter No. 10. Mineralogical Magazine, 75 (5) 2549-2561 doi:10.1180/minmag.2011.075.5.2549
Bonazzi, P., Keutsch, F. N., Bindi, L. (2012) Manganoquadratite, AgMnAsS3, a new manganese-bearing sulfosalt from the Uchucchacua polymetallic deposit, Lima Department, Peru: Description and crystal structure. American Mineralogist, 97 (7) 1199-1205 doi:10.2138/am.2012.4004
Localities for Manganoquadratite
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).
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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Peru (TL) | |
| |
Romania | |
| |
Russia | |
|
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Uchucchacua Mine, Oyón District, Oyón Province, Lima, Peru