UM1997-28-CO:CaHMg
Invalid as an unnamed mineral
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Formula:
(Mg,Ca)CO3 · 3H2O
Crystal System:
Monoclinic
Unique Identifiers
Mindat ID:
54097
Long-form identifier:
mindat:1:1:54097:5
GUID
(UUID V4):
(UUID V4):
36a0efb1-31ab-4efb-9277-10d763d268e3
Classification of UM1997-28-CO:CaHMg
IMA status notes:
Unnamed (probably invalid)
Approval history:
status set as "probably invalid" as this is likely just a polytype
Chemical Properties of UM1997-28-CO:CaHMg
Formula:
(Mg,Ca)CO3 · 3H2O
Crystallography of UM1997-28-CO:CaHMg
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.063(6) Å, b = 10.668(5) Å, c = 6.014(4) Å
β = 107.28°
β = 107.28°
Ratio:
a:b:c = 0.568 : 1 : 0.564
Unit Cell V:
371.43 ų (Calculated from Unit Cell)
Comment:
Space group is P21/n
Other Information
IR Spectrum:
analysis performed
Thermal Behaviour:
analysis performed
Notes:
SEM, ICP and Raman-spectroscopic analyses performed
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 UM1997-28-CO:CaHMg
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ignasi, Q., Ramon, J., Plana, F., Bischoff, J.L. (1997): hydrous Ca-bearing magnesium carbonate from playa lake sediments, Salines Lake, Spain. Am. Min.: 82: 812-819
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification (2012 Update). Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016) (Update: 2012-01)
Internet Links for UM1997-28-CO:CaHMg
mindat.org URL:
https://www.mindat.org/min-54097.html
Please feel free to link to this page.
Please feel free to link to this page.
Mineral Dealers:
Localities for UM1997-28-CO:CaHMg
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.
Spain | |
| Ignasi, Q., Ramon, J., Plana, F., Bischoff, J.L. (1997) A hydrous Ca-bearing magnesium carbonate from playa lake sediments, Salines Lake, Spain. American Mineralogist, 82(7-8), 812-819. |