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Calamaite

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About CalamaiteHide

Formula:
Na2TiO(SO4)2·2H2O
Crystal System:
Orthorhombic
New structure type. Third Ti-dominant sulfate mineral after alcaparrosaite and innelite; second purely sulfate Ti-rich mineral.


Classification of CalamaiteHide

Approved, Pending publication
Approval Year:
2016

Chemical Properties of CalamaiteHide

Formula:
Na2TiO(SO4)2·2H2O
IMA Formula:
Na2TiO(SO4)2 · 2H2O

Crystallography of CalamaiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Ibam
Setting:
Ibam
Cell Parameters:
a = 16.0989(11) Å, b = 16.2399(9) Å, c = 7.0135(4) Å
Ratio:
a:b:c = 0.991 : 1 : 0.432
Unit Cell V:
1,833.64 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.10(100)
5.04(55)
3.787(26)
3.619(18)
3.417(27)
3.185(15)
2.943(20)
2.895(20)

Type Occurrence of CalamaiteHide

Place of Conservation of Type Material:
The Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 4883/1

Synonyms of CalamaiteHide

Other InformationHide

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 CalamaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov,I.V., Siidra,O.I., Chukanov, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Turchkova, A.G. and Möhn, G. (2016) Calamaite, IMA 2016-036. CNMNC Newsletter No. 33, October 2016, page 1136; Mineralogical Magazine: 80: 1135–1144.

Internet Links for CalamaiteHide

Localities for CalamaiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile (TL)
 
  • Antofagasta Region
    • El Loa Province
      • Calama
        • Cerritos Bayos
Pekov,I.V., Siidra,O.I., Chukanov, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Turchkova, A.G. and Möhn, G. (2016) Calamaite, IMA 2016-036. CNMNC Newsletter No. 33, October 2016, page 1136; Mineralogical Magazine: 80: 1135–1144
Mineral and/or Locality  
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