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Smamite

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Formula:
Ca2Sb(OH)4[H(AsO4)2]·6H2O
Crystal System:
Triclinic
New structure type.


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Classification of SmamiteHide

Approved, Pending publication
Approval Year:
2019

Chemical Properties of SmamiteHide

Formula:
Ca2Sb(OH)4[H(AsO4)2]·6H2O

Crystallography of SmamiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 6.8207(4) Å, b = 8.0959(4) Å, c = 8.2130(6) Å
α = 95.834(7)°, β = 110.762(8)°, γ = 104.012(7)°
Ratio:
a:b:c = 0.842 : 1 : 1.014
Unit Cell V:
402.57 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.56(41)
6.03(60)
5.66(47)
5.07(100)
3.992(43)
3.783(36)
2.858(51)
2.766(31)
Comments:
From Type Description.

Type Occurrence of SmamiteHide

Place of Conservation of Type Material:
In the collections of the Musée Cantonal de Géologie,
University of Lausanne, Switzerland, catalogue number MGL 093481 (holotype), 093482 and 093481 (cotypes), and the Natural History Museum of Los Angeles County Los Angeles, USA, catalogue number 67169 (cotype)

Synonyms of SmamiteHide

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 SmamiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Plášil, J., Kampf, A.R., Meisser, N., Lheur, C., Brunsperger, T. and Škoda, R. (2019) Smamite, IMA 2019-001. CNMNC Newsletter No. 49, June 2019, page xxx; Mineralogical Magazine, 83: 323–328.

Internet Links for SmamiteHide

Localities for SmamiteHide

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.
France (TL)
 
  • Grand Est
    • Haut-Rhin
      • Ste Marie-aux-Mines (Markirch)
        • Neuenberg
          • Sankt Jakob vein
Plášil, J., Kampf, A.R., Meisser, N., Lheur, C., Brunsperger, T. and Škoda, R. (2019) Smamite, IMA 2019-001. CNMNC Newsletter No. 49, June 2019, page xxx; Mineralogical Magazine, 83: 323–328.
 
Mineral and/or Locality  
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