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Kimrobinsonite

A valid IMA mineral species
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07964530017271924278314.jpg
Kimrobinsonite, etc.

Forrestania Rubellite pegmatite, Mount Holland pegmatite field, Yilgarn shire, Western Australia, Australia
09866430017271924301293.jpg
Kimrobinsonite, etc.

Pavlovskoe REE-coal deposit, Mikhaylovsky District, Primorsky Krai, Russia
07964530017271924278314.jpg
Kimrobinsonite, etc.

Forrestania Rubellite pegmatite, Mount Holland pegmatite field, Yilgarn shire, Western Australia, Australia
09866430017271924301293.jpg
Kimrobinsonite, etc.

Pavlovskoe REE-coal deposit, Mikhaylovsky District, Primorsky Krai, Russia
07964530017271924278314.jpg
Kimrobinsonite, etc.

Forrestania Rubellite pegmatite, Mount Holland pegmatite field, Yilgarn shire, Western Australia, Australia
09866430017271924301293.jpg
Kimrobinsonite, etc.

Pavlovskoe REE-coal deposit, Mikhaylovsky District, Primorsky Krai, Russia
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About KimrobinsoniteHide

Formula:
(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2
Colour:
White, lemon
Hardness:
2½
Crystal System:
Isometric
Name:
Honours Kim Robinson (1951 – ), Australian geologist of Perth, Australia, who discovered the specimen in which the mineral occurs.
This page provides mineralogical data about Kimrobinsonite.


Unique IdentifiersHide

Mindat ID:
2207
Long-form identifier:
mindat:1:1:2207:7

IMA Classification of KimrobinsoniteHide

IMA status:
Approved
IMA Formula:
Ta(OH)3(O,CO3)
Approval year:
1983

Classification of KimrobinsoniteHide

Strunz-mindat (2025):
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 ed.:
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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
KimIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KimrobinsoniteHide

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

Chemistry of KimrobinsoniteHide

Mindat Formula:
(Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2
Elements listed:
C, H, Nb, O, Ta - search for minerals with similar chemistry

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)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of KimrobinsoniteHide

Synonyms of KimrobinsoniteHide

Other Language Names for KimrobinsoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Kimrobinsonite associated with Columbite-(Fe)Fe2+Nb2O6
2 photos of Kimrobinsonite associated with Native TantalumTa

Related Minerals - Strunz-mindat GroupingHide

4.FG.05JangguniteMn5-x(Mn,Fe)1+xO8(OH)6Orth.
4.FG.10CesàrolitePbMn4+3O6(OH)2Hex.
4.FG.20LanghofitePb2(OH)[WO4(OH)]Tric. 1 : P1
4.FG.25TashelgiteCaMgFe2+Al9O16(OH)Mon. m : Pb

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.

Internet Links for KimrobinsoniteHide

References 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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia (TL)
 
  • Western Australia
    • Yilgarn shire
      • Mount Holland pegmatite field
Nickel et al. (1985)
Russia
 
  • Primorsky Krai
    • Mikhaylovsky District
V.V. Seredin data
Quick NavTopAbout KimrobinsoniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
 
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