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Lasalite

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Formula:
Na
 
2
Mg
 
2
(V
 
10
O
 
28
) · 20H
 
2
O
System:Monoclinic
Member of:Pascoite Group
This page provides mineralogical data about Lasalite.

Classification of Lasalite

IMA status:Approved 2007
Strunz 8th edition ID:4/G.01-15
Strunz 9th edition ID:4.H0.
Nickel-Strunz 10th (pending) edition ID: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

Type Locality:Vanadium Queen Mine, La Sal Creek Canyon, La Sal District (Paradox Valley District), San Juan Co., Utah, USA

Crystallography of Lasalite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
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:
Na
 
2
Mg
 
2
(V
 
10
O
 
28
) · 20H
 
2
O
Simplified for copy/paste:Na2Mg2(V10O28)·20H2O
Essential elements:H, Mg, Na, O, V
All elements listed in formula:H, Mg, Na, O, V

Relationship of Lasalite to other Species

Member of:Pascoite Group
Other Members of Group:

- +
Huemulite
Na
 
4
Mg(V
 
10
O
 
28
) · 24H
 
2
O
Hummerite
K
 
2
Mg
 
2
(V
 
10
O
 
28
) · 16H
 
2
O
Magnesiopascoite
Ca
 
2
Mg(V
 
10
O
 
28
) · 16H
 
2
O
Pascoite
Ca
 
3
(V
 
10
O
 
28
) · 17H
 
2
O
Rakovanite
Na
 
3
(H
 
3
V
 
10
O
 
28
) · 15H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
4.HC.05Pascoite
Ca
 
3
(V
 
10
O
 
28
) · 17H
 
2
O
4.HC.05Magnesiopascoite
Ca
 
2
Mg(V
 
10
O
 
28
) · 16H
 
2
O
4.HC.10Hummerite
K
 
2
Mg
 
2
(V
 
10
O
 
28
) · 16H
 
2
O
4.HC.15Sherwoodite
Ca
 
4.5
(AlV
4+
2
V
5+
12
O
 
40
) · 28H
 
2
O

Other Names for Lasalite

Synonyms:
IMA2007-005
Other Languages:

Other Information

Health Warning: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

Search Engines:
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  • External Links:
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  • Look for Lasalite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Find Lasalite on www.crystalclassics.co.uk
  • rare and unusual minerals mainly crystallized
  • Top quality minerals from Kristalle of California
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
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  • Lasalite specimens for sale - minfind.com
  • Localities for Lasalite

    The 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. ? 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
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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