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Kimrobinsonite

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Formula:
(Ta,Nb)(OH)
 
5-2x
(O,CO
 
3
)
 
x
 ; x near 1.2
System:IsometricColour:White, lemon
Hardness:2½
Name:Honors Kim Robinson (1951– ), Australian geologist of Perth, Australia, who discovered the specimen in which the mineral occurs.
This page provides mineralogical data about Kimrobinsonite.

Classification of Kimrobinsonite

IMA status:Approved 1983
Strunz 8th edition ID:4/F.19-10
Nickel-Strunz 10th (pending) edition ID:4.FG.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
G : Hydroxides with OH, without H2O; unclassified
Dana 8th edition ID:6.4.8.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous
Hey's CIM Ref.:7.12.23

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
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Type Occurrence of Kimrobinsonite

Type Locality:Mount Holland pegmatite (Forrestania Rubellite pegmatite), Yilgarn shire, Western Australia, Australia
Year of Discovery:1983

Physical Properties of Kimrobinsonite

Colour:White, lemon
Streak:White
Hardness (Mohs):2½

Crystallography of Kimrobinsonite

Crystal System:Isometric
Cell Parameters:a = 3.812(1) Å
Unit Cell Volume:V 55.39 ų (Calculated from Unit Cell)
Morphology:In masses of cryptocrystalline individuals.


Comment:Point group not determined.
X-Ray Powder Diffraction:
d-spacingIntensity
3.808 (10)
2.696 (7)
2.202 (2)
1.907 (3)
1.702 (5)
1.555 (4)
1.270 (2)

Chemical Properties of Kimrobinsonite

Formula:
(Ta,Nb)(OH)
 
5-2x
(O,CO
 
3
)
 
x
 ; x near 1.2
Essential elements:H, O, Ta
All elements listed in formula:C, H, Nb, O, Ta

Relationship of Kimrobinsonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FG.05Janggunite
Mn
 
5-x
(Mn,Fe)
 
1+x
O
 
8
(OH)
 
6
4.FG.10Cesàrolite
Pb(Mn
4+
 
)
 
3
O
 
6
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
7.12.1Montroseite
(V
3+
 
,Fe
3+
 
)O(OH)
7.12.2 Scherbinaite
7.12.3Paramontroseite
V
4+
 
O
 
2
7.12.4Häggite
V
3+
 
V
4+
 
O
 
2
(OH)
 
3
7.12.5Duttonite
V
4+
 
O(OH)
 
2
7.12.6Doloresite
V
4+
3
O
 
4
(OH)
 
4
7.12.7Lenoblite
V
4+
2
O
 
4
 · 2H
 
2
O
7.12.8Navajoite
Fe
3+
 
V
5+
9
O
 
24
 · 12H
 
2
O
7.12.9Vanoxite
V
4+
4
V
5+
2
O
 
13
 · 8H
 
2
O
7.12.10Bariandite
Al
 
0.6
(V
5+
 
,V
4+
 
)
 
8
O
 
20
 · 9H
 
2
O
7.12.11Corvusite
(Na,K,Ca,Mg)
 
2
(V
5+
 
,V
4+
 
,Fe
2+
 
)
 
8
O
 
20
 · 6-10H
 
2
O
7.12.12Simplotite
CaV
4+
4
O
 
9
 · 5H
 
2
O
7.12.13Kyzylkumite
V
3+
2
TiO
 
6
7.12.14Schreyerite
V
3+
2
Ti
 
3
O
 
9
7.12.15Berdesinskiite
V
3+
2
TiO
 
5
7.12.16Tivanite
V
3+
 
TiO
 
3
(OH)
7.12.17Mannardite
Ba
 
x
Ti
 
8-2x
V
 
2x
O
 
16
·2-xH
 
2
O
7.12.18Karelianite
V
3+
2
O
 
3
7.12.19Coulsonite
Fe
2+
 
V
3+
2
O
 
4
7.12.20Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,Ti)
 
10
O
 
14
(OH)
 
2
7.12.21Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
7.12.22Tantite
Ta
 
2
O
 
5

Other Names for Kimrobinsonite

Synonyms:
IMA1983-023
Other Languages:
German:Kimrobinsonit
Spanish:Kimrobinsonita

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 Kimrobinsonite

Reference List:

- +
American Mineralogist (1987): 72: 1024.

Canadian Mineralogist (1985): 23: 573-576.

Internet Links for Kimrobinsonite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Kimrobinsonite details from Handbook of Mineralogy (PDF)
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    • Localities for Kimrobinsonite

    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.
    Australia
     
    • Western Australia
      • Yilgarn shire
    		CM 1985, 573-76
    Russia
     
    • Far-Eastern Region
      • Primorskiy Kray
        • Khanka Lake
    		V.V. Seredin data
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