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Natrowalentaite

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Formula:
[Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]
Crystal System:
Orthorhombic
Name:
The sodium analogue whose base name is given in honor of Dr. Kurt Walenta (1 December 1927 Prague, Czech Republic - ), Professor of Mineralogy, University of Stuttgart (Germany)
Chemically and structurally related to walentaite.


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Classification of NatrowalentaiteHide

Approved, Pending publication
Approval Year:
2018

Chemical Properties of NatrowalentaiteHide

Formula:
[Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]

Crystallography of NatrowalentaiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Imma
Setting:
Imma
Cell Parameters:
a = 25.770(3) Å, b = 7.3250(8) Å, c = 10.522(1) Å
Ratio:
a:b:c = 3.518 : 1 : 1.436
Unit Cell V:
1,986.19 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.95(100)
9.72(9)
6.72(14)
4.41(10)
3.020(27)
2.940(15)
2.759(11)
1.784(10)

Type Occurrence of NatrowalentaiteHide

Place of Conservation of Type Material:
Deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 66703.

Synonyms of NatrowalentaiteHide

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 NatrowalentaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grey, I.E., Mumme, W.G., Kampf, A.R. and MacRae, C.M. (2018) Natrowalentaite, IMA 2018-032a. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82, xxxx–xxxx.

Internet Links for NatrowalentaiteHide

Localities for NatrowalentaiteHide

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.
Australia (TL)
 
  • Western Australia
    • Lake Grace Shire
Grey, I.E., Mumme, W.G., Kampf, A.R. and MacRae, C.M. (2018) Natrowalentaite, IMA 2018-032a. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82: xxxx–xxxx.
Mineral and/or Locality  
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