Unnamed (α-Calcium Formate)
Valid as an unnamed mineral
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An orthorhombic (alpha) polymorph of formicaite.
Most likely not a true mineral: it is suspected to form due to interaction of lake microbial activity and Agent Orange pollution.
Most likely not a true mineral: it is suspected to form due to interaction of lake microbial activity and Agent Orange pollution.
Unique Identifiers
Mindat ID:
55409
Long-form identifier:
mindat:1:1:55409:3
GUID
(UUID V4):
(UUID V4):
0790ce30-fbc5-4de8-aa38-005ab0a05721
Classification of Unnamed (α-Calcium Formate)
IMA status notes:
Unnamed (probably valid)
Chemical Properties of Unnamed (α-Calcium Formate)
Formula:
Ca(HCOO)2
Elements listed:
Crystallography of Unnamed (α-Calcium Formate)
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbca
Cell Parameters:
a = 10.215(3) Å, b = 6.2787(15) Å, c = 13.312(5) Å
Ratio:
a:b:c = 1.627 : 1 : 2.12
Unit Cell V:
853.8 ų
Comment:
Space group is either Pbca or Pcab (synthetic material)
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.
References for Unnamed (α-Calcium Formate)
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Menor-Salvan, C., Izatulina, A.R., Gurshiy, V.V., Pekov, I.V., Vigasina, M.f., Ksenofontov, D.A., Britvin, S.N. (2021): Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA. Minerals: 11: 448.
Internet Links for Unnamed (α-Calcium Formate)
mindat.org URL:
https://www.mindat.org/min-55409.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Localities for Unnamed (α-Calcium Formate)
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.
USA | |
| Chukanov, N.V., Menor-Salvan, C., Izatulina, A.R., Gurshiy, V.V., Pekov, I.V., Vigasina, M.f., Ksenofontov, D.A., Britvin, S.N. (2021): Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA. Minerals: 11: 448. |