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UM1997-28-CO:CaHMg

Invalid as an unnamed mineral
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Formula:
(Mg,Ca)CO3 · 3H2O
Crystal System:
Monoclinic
Seems to be polymorphous (or rather polytypic) with nesquehonite.


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Unique IdentifiersHide

Mindat ID:
54097
Long-form identifier:
mindat:1:1:54097:5

IMA Classification of UM1997-28-CO:CaHMgHide

IMA status notes:
Unnamed (probably invalid)
Approval history:
status set as "probably invalid" as this is likely just a polytype

Chemistry of UM1997-28-CO:CaHMgHide

Mindat Formula:
(Mg,Ca)CO3 · 3H2O
Element Weights:
Element% weight
O69.382 %
Mg17.567 %
C8.681 %
H4.371 %

Calculated from ideal end-member formula.
Elements listed:
C, Ca, H, Mg, O - search for minerals with similar chemistry

Crystallography of UM1997-28-CO:CaHMgHide

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°
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 InformationHide

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.

Internet Links for UM1997-28-CO:CaHMgHide

References for UM1997-28-CO:CaHMgHide

Localities for UM1997-28-CO:CaHMgHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- 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.
Spain
 
  • Valencian Community
    • Alicante
      • Sax
        • Salinas
Queralt et al. (1997)
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