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Argentopolybasite-M2a2b2c
A structural variant of Argentopolybasite
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Formula:
[Ag6Sb2S7][Ag9AgS4]
Crystal System:
Monoclinic
Unique Identifiers
Mindat ID:
470810
Long-form identifier:
mindat:1:1:470810:6
Chemistry of Argentopolybasite-M2a2b2c
Mindat Formula:
[Ag6Sb2S7][Ag9AgS4]
Element Weights:
Elements listed:
Crystallography of Argentopolybasite-M2a2b2c
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 26.384(2) Å, b = 15.232(1) Å, c = 24.148(2) Å
β = 90.030(10)°
β = 90.030(10)°
Ratio:
a:b:c = 1.732 : 1 : 1.585
Unit Cell V:
9,704.62 ų (Calculated from Unit Cell)
Other Language Names for Argentopolybasite-M2a2b2c
Norwegian:Argentopolybasitt-M2a2b2c
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 Argentopolybasite-M2a2b2c
mindat.org URL:
https://www.mindat.org/min-470810.html
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References for Argentopolybasite-M2a2b2c
Reference List:
Bindi, Luca, Keutsch, Frank N., Topa, Dan, Kolitsch, Uwe, Morana, Marta, Tait, Kimberly T. (2023) First occurrence of the M2a2b2c polytype of argentopolybasite, [Ag6Sb2S7][Ag10S4]: Structural adjustments in the Cu-free member of the pearceite–polybasite group. Mineralogical Magazine, 87 (4) 561-567 doi:10.1180/mgm.2023.30
Localities for Argentopolybasite-M2a2b2c
Showing 1 localities.
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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.
Canada | |
| Bindi et al. (2023) |
