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Lasalite

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Big Photo

Vanadium Queen Mine, La Sal Creek Canyon, Paradox Valley District, Paradox Valley, San Juan Co., Utah, USA
© Leon Hupperichs

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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, Paradox Valley District, Paradox Valley, 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
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:

- +
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

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    • 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.
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    (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 Quadrangle
    		Tom Loomis specimen
        • Paradox Valley
          • Paradox Valley District
    		Can.Min. 46,687-692(2008)
            • La Sal Creek Canyon
    		Can Mineral 2009 47: 206
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