Polylithionite-1M
A structural variant of Polylithionite
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Crystal System:
Monoclinic
Unique Identifiers
Mindat ID:
46650
Long-form identifier:
mindat:1:1:46650:3
GUID
(UUID V4):
(UUID V4):
1bb032af-5bdc-4da8-a493-d7e31e4a5c6c
Chemical Analysis
Empirical formulas:
Sample ID | Empirical Formula |
---|---|
1 | (K0.97Na0.03Rb0.01)Σ1.01(Li2.04Al0.84Ti4+0.09Fe3+0.03)Σ3.00(Si3.98Al0.02)O10[F1.68(OH)0.33]Σ2 |
Sample references:
ID | Locality | Reference | Notes |
---|---|---|---|
1 | Dara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan |
Crystallography of Polylithionite-1M
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Setting:
C2
Cell Parameters:
a = 5.251(1) Å, b = 9.066(2) Å, c = 10.087(2) Å
β = 100.694(5)°
β = 100.694(5)°
Ratio:
a:b:c = 0.579 : 1 : 1.113
Unit Cell V:
471.86 ų (Calculated from Unit Cell)
Comment:
From Elmi et al. (2014) (sample MLG-114).
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 Polylithionite-1M
mindat.org URL:
https://www.mindat.org/min-46650.html
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References for Polylithionite-1M
Reference List:
Hawthorne, Frank C., Sokolova, Elena, Agakhanov, Atali A., Pautov, Leonid A., Karpenko, Vladimir Yu. (2019) The crystal structure of polylithionite-1M from Darai-Pioz, Tajikistan: the role of short-range order in driving symmetry reduction in 1M Li-rich mica. The Canadian Mineralogist, 57 (4) 519-528 doi:10.3749/canmin.1800083
Localities for Polylithionite-1M
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.
Tajikistan | |
| Hawthorne et al. (2019) |
USA | |
| David Lowe personally analyzed sample ... |