Mimetite-2M
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About Mimetite-2M
Crystal System:
Monoclinic
Dimorph of:
Unique Identifiers
Mindat ID:
43676
Long-form identifier:
mindat:1:1:43676:0
Similar Names
| Mimetite | A valid IMA mineral species - grandfathered | Pb5(AsO4)3Cl |
| Mimetite-M | Pb5(AsO4)3Cl |
IMA Classification of Mimetite-2M
IMA status notes:
Redefined by the IMA
Approval history:
Redefined as a Polymorphic Variant of mimetite in 2010.
Pronunciation of Mimetite-2M
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Crystallography of Mimetite-2M
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Cell Parameters:
a = 20.422(4) Å, b = 7.4379(15) Å, c = 20.435(4) Å
β = 119.95(3)°
β = 119.95(3)°
Ratio:
a:b:c = 2.746 : 1 : 2.747
Unit Cell V:
2689.5 ų
Z:
8
Comment:
Pseudo-hexagonal.
Common Associates
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 Mimetite-2M
mindat.org URL:
https://www.mindat.org/min-43676.html
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References for Mimetite-2M
Reference List:
Yang, Zhuming, Ding, Kuishou, de Fourestier, Jeffrey, Li, He (2013) The crystal structure of mimetite-2M, a new polymorph of mimetite from Xianghualing tin-polymetallic orefield, Hunan Province, P. R. China. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 190 (2) 229-235 doi:10.1127/0077-7757/2013/0237
Localities for Mimetite-2M
Showing 2 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.
China | |
| Yang et al. (2013) |
| Jeffrey de Fourestier collection |
Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China