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Grantsite

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F33 Mine, Grants District, Cibola Co., New Mexico, USA
© 2007, J. Weissman

Formula:
(Na
 
2
,Ca)[V
 
2
O
 
6
|(V
5+
 
,V
4+
 
)
 
4
O
 
10
] · 4H
 
2
O
System:MonoclinicHardness:1 - 2
This page provides mineralogical data about Grantsite.

Classification of Grantsite

IMA status:Approved
Strunz 8th edition ID:4/G.12-20
Nickel-Strunz 10th (pending) edition ID:4.HG.55

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
G : Unclassified V oxides
Dana 8th edition ID:47.3.1.5

47 : VANADIUM OXYSALTS
3 : Hydrated Normal Vanadium Oxysalts
Hey's CIM Ref.:21.2.11

21 : Vanadates (and vanadates with arsenate or phosphate)
2 : Vanadates of Mg, Ca, Sr or Ba
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Type Occurrence of Grantsite

Co-type Localities:F33 Mine, Grants District, Cibola Co., New Mexico, USA
Parco No. 23 Mine, Parco Mine Group, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
Year of Discovery:1961

Physical Properties of Grantsite

Hardness (Mohs):1 - 2

Crystallography of Grantsite

Crystal System:Monoclinic

Optical Data of Grantsite

Type:Biaxial (-)
RI values: nα = 1.820
Maximum Birefringence:δ = 1.820

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Grantsite

Formula:
(Na
 
2
,Ca)[V
 
2
O
 
6
|(V
5+
 
,V
4+
 
)
 
4
O
 
10
] · 4H
 
2
O
Essential elements:Ca, H, Na, O, V
All elements listed in formula:Ca, H, Na, O, V

Relationship of Grantsite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HG.05Fervanite
Fe
 
4
(VO
 
4
)
 
4
·5H
 
2
O
4.HG.10Huemulite
Na
 
4
Mg[V
 
10
O
 
28
] · 24H
 
2
O
4.HG.15Vanalite
NaAl
 
8
V
 
10
O
 
38
·30H
 
2
O
4.HG.20Simplotite
CaV
 
4
O
 
9
·5H
 
2
O
4.HG.25Vanoxite
V
 
6
O
 
13
·8H
 
2
O
4.HG.30Navajoite
V
 
2
O
 
5
 · 3H
 
2
O
4.HG.35Delrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
] · 3H
 
2
O
4.HG.40Metadelrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
]
4.HG.45Barnesite
Na
 
2
[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
4.HG.50Hendersonite
(Ca,Sr)
 
x
(V
5+
 
,V
4+
 
)
 
12
O
 
32
·12H
 
2
O (x about 2.6)
4.HG.60Lenoblite
V
 
2
O
 
4
·2H
 
2
O
4.HG.65Satpaevite
Al
 
12
V
 
2
V
 
6
O
 
37
·30H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
21.2.1Metarossite
Ca[V
 
2
O
 
6
] · 2H
 
2
O
21.2.2Rossite
Ca[V
 
2
O
 
6
] · 4H
 
2
O
21.2.3Metahewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 3H
 
2
O
21.2.4Hewettite
Ca[V
 
2
O
 
6
|V
 
4
O
 
10
] · 9H
 
2
O
21.2.5Pintadoite
Ca
 
2
V
 
2
O
 
7
·9H
 
2
O
21.2.6Hendersonite
(Ca,Sr)
 
x
(V
5+
 
,V
4+
 
)
 
12
O
 
32
·12H
 
2
O (x about 2.6)
21.2.7Fernandinite
(Ca,K)[(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
4
O
 
10
]
 
2
 · 4H
 
2
O
21.2.8Pascoite
Ca
 
3
[V
 
10
O
 
28
] · 17H
 
2
O
21.2.9Sherwoodite
Ca
 
9
Al
 
2
V
 
4
V
 
24
O
 
80
·56H
 
2
O
21.2.10Melanovanadite
Ca
 
2
V
 
4
V
 
6
O
 
25
·nH
 
2
O
21.2.12Hummerite
K
 
2
Mg
 
2
[V
 
10
O
 
28
] · 16H
 
2
O
21.2.13Metadelrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
]
21.2.14Delrioite
CaSr[(OH)
 
2
|V
 
2
O
 
6
] · 3H
 
2
O
21.2.15Straczekite
(Ca,K,Ba)V
 
8
O
 
20
·3H
 
2
O
21.2.16Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)[OH|(VO
 
4
)
 
2
]

Other Names for Grantsite

Other Languages:
German:Grantsit
Spanish:Grantsita

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 Grantsite

Reference List:American Mineralogist: 49: 1511-1526.

American Mineralogist: 75: 508-521.

Articles/Blogs about Grantsite

Internet Links for Grantsite

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    Localities for Grantsite

    Hide Locality List
    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
     
    • Colorado
      • Montrose Co.
        • Uravan District
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    • New Mexico
      • Cibola Co.
        • Grants District
    		Minerals of New Mexico 3rd ed.
      • McKinley Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • Utah
      • Grand Co.
        • Thompsons District (S. E. Thomsons)
          • Parco Mine Group
    		[UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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