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Kimrobinsonite

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Formula:
(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2
Colour:
White, lemon
Hardness:
Crystal System:
Isometric
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.


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Classification of KimrobinsoniteHide

Approved
Approval Year:
1983
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
6.4.8.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous
7.12.23

7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta

Physical Properties of KimrobinsoniteHide

Colour:
White, lemon
Streak:
White
Hardness:
2½ on Mohs scale

Chemical Properties of KimrobinsoniteHide

Formula:
(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2
IMA Formula:
Ta(OH)3(O,CO3)

Crystallography of KimrobinsoniteHide

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


Comment:
Point group not determined.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.808 Å(10)
2.696 Å(7)
2.202 Å(2)
1.907 Å(3)
1.702 Å(5)
1.555 Å(4)
1.270 Å(2)

Type Occurrence of KimrobinsoniteHide

Synonyms of KimrobinsoniteHide

Other Language Names for KimrobinsoniteHide

Related Minerals - Nickel-Strunz GroupingHide

4.FG.05JangguniteMn5-x(Mn,Fe)1+xO8(OH)6Orth.
4.FG.10CesàrolitePb(Mn4+)3O6(OH)2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.12.1Montroseite(V3+,Fe3+)O(OH)Orth.
7.12.2 ScherbinaiteV5+2O5
7.12.3ParamontroseiteV4+O2Orth.
7.12.4HäggiteV3+V4+O2(OH)3Mon.
7.12.5DuttoniteV4+O(OH)2Mon. 2/m
7.12.6DoloresiteV4+3O4(OH)4Mon. 2/m
7.12.7LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
7.12.8NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
7.12.9VanoxiteV4+4V5+2O13 · 8H2O
7.12.10BarianditeAl0.6(V5+,V4+)8O20 · 9H2OMon.
7.12.11Corvusite(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2OMon.
7.12.12SimplotiteCaV4+4O9 · 5H2OMon.
7.12.13KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
7.12.14SchreyeriteV3+2Ti3O9Mon.
7.12.15BerdesinskiiteV3+2TiO5Mon.
7.12.16TivaniteV3+TiO3(OH)Mon.
7.12.17MannarditeBa(Ti4+6V3+2)O16Tet. 4/m : I41/a
7.12.18KarelianiteV3+2O3Trig.
7.12.19CoulsoniteFe2+V3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.12.20NolaniteV3+8Fe3+2O14(OH)2Hex.
7.12.21VuorelaineniteMn2+V3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.12.22TantiteTa2O5Tric.

Other InformationHide

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 KimrobinsoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1987): 72: 1024.
Canadian Mineralogist (1985): 23: 573-576.

Internet Links for KimrobinsoniteHide

Localities for KimrobinsoniteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia (TL)
 
  • Western Australia
    • Yilgarn shire
      • Mount Holland pegmatite field
Nickel, E. H., Robinson, B. W., (1985) Kimrobinsonite, a new tantalum mineral from Western Australia, and its association with cesstibtantite. The Canadian Mineralogist: 23: 573-576
Russia
 
  • Primorsky Krai
    • Khanka Lake
V.V. Seredin data
 
Mineral and/or Locality  
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