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Lasalite

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Formula:
Na2Mg2(V10O28) · 20H2O
System:
Monoclinic
Member of:
This page provides mineralogical data about Lasalite.

Classification of Lasalite

Approved 2007
4.HC.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
C : [6]-Sorovanadates
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Type Occurrence of Lasalite

Crystallography of Lasalite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 23.9019Å, b = 10.9993Å, c = 17.0504Å
β = 118.284°
Ratio:
a:b:c = 2.173 : 1 : 1.55
Unit Cell Volume:
V 3,947.44 ų (Calculated from Unit Cell)

Chemical Properties of Lasalite

Formula:
Na2Mg2(V10O28) · 20H2O
Essential elements:
All elements listed in formula:

Relationship of Lasalite to other Species

Member of:
Other Members of Group:
HuemuliteNa4Mg(V10O28) · 24H2O
HummeriteK2Mg2(V10O28) · 16H2O
MagnesiopascoiteCa2Mg(V10O28) · 16H2O
PascoiteCa3(V10O28) · 17H2O
RakovaniteNa3(H3V10O28) · 15H2O
4.HC.05PascoiteCa3(V10O28) · 17H2O
4.HC.05MagnesiopascoiteCa2Mg(V10O28) · 16H2O
4.HC.10HummeriteK2Mg2(V10O28) · 16H2O
4.HC.15SherwooditeCa4.5(AlV24+V125+O40) · 28H2O

Other Names for Lasalite

Name in Other Languages:

Other Information

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 Lasalite

Reference List:
Hughes, J.M., Wise, W.S., Gunter, M.E., Morton, J.P., Rakovan, J. (2008): Lasalite, Na2Mg2(V10O28)•20H2O, a new decavanadate mineral from the Vanadium Queen mine, La Sal District, Utah: description, atomic arrangement, and relationship to the pascoite group of minerals. Canadian Mineralogist, 46, 1365-1372.

Hughes, J.M., Wise, W.S., Gunter, M.E., Morton, J.P., Rakovan, J. (2008): Lasalite, Na2Mg2(V10O28)•20H2O, a new decavanadate mineral from the Vanadium Queen mine, La Sal District, Utah: description, atomic arrangement, and relationship to the pascoite group of minerals. Addendum. Canadian Mineralogist, 47, 206.

Internet Links for Lasalite

Localities for Lasalite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
USA
 
  • Utah
    • San Juan Co.
      • La Sal District (Paradox Valley District)
        • La Sal Creek Canyon
Can Mineral 2009 47: 206
        • Lyon Canyon Creek
Can.Min. 46,687-692(2008)
      • La Sal Quadrangle
Tom Loomis specimen
Mineral and/or Locality  
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