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Hydroxykenomicrolite (Hydroxykenomikrolith)

Pictures (2 Images total)

Hydroxykenomikrolith
Views (File:
1581242524
): 357
Hydroxykenomikrolith
beige Kristalle von Hydroxykenomikrolith, Vasin-Myl'k, Voron'i Tundry, Kola, Russland; BB ~ 8 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Voron'i Tundry/Vasin-Myl'k, Berg
Mineral: Hydroxykenomicrolite
Image: 1581242524
License: Usage for Mineralienatlas project only
Hydroxykenomikrolith

beige Kristalle von Hydroxykenomikrolith, Vasin-Myl'k, Voron'i Tundry, Kola, Russland; BB 8 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-09
Locality: Vasin-Myl'k, Berg / Voron'i Tundry / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Hydroxykenomicrolith
Views (File:
1701539817
): 36
Hydroxykenomicrolith
Bräunliche Hydroxykenomicrolith-xx (ohne Maßstab); FO: Tanco Mine, Bernic-See, Lac-du-Bonnet, Manitoba, Canada. Ex Van den Broucke Sammlung (zur Sammlung sh.: https://www.mindat.org/mesg-560223.html).
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: Kanada/Manitoba/Lac-du-Bonnet-Gebiet/Bernic-See/Tanco-Pegmatit
Mineral: Hydroxykenomicrolite
Image: 1701539817
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Hydroxykenomicrolith

Bräunliche Hydroxykenomicrolith-xx (ohne Maßstab); FO: Tanco Mine, Bernic-See, Lac-du-Bonnet, Manitoba, Canada. Ex Van den Broucke Sammlung (zur Sammlung sh.: https://www.mindat.org/mesg-560223.htm~...
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-02
Locality: Tanco-Pegmatit / Bernic-See / Lac-du-Bonnet-Gebiet / Manitoba / Kanada

Collectors Summary

Hardness (Mohs) 6.5
Crystal System kubisch, Fd3m

Chemism

Chemical formula

(◻,Na,Sb3+)2Ta2O6(OH)

Empirical formula (analysis)

[Cs0.31(OH,F)0.69](Sb0.57Na0.31Pb0.02Bi0.01)(Ta1.88Nb0.12)[O5.69(OH,F)0.31]

Additional chem. information

weitere Analyse: [Cs0.22K0.01(OH,F)0.55](Na0.45Sb0.40Pb0.14Ca0.06Bi0.02Sn0.01)(Ta1.95Nb0.05)[O5.78(OH,F)0.22]

Chemical composition

Antimon, Natrium, Tantal, Sauerstoff, Wasserstoff

Unit weight: 583.8375066045 u; Number of atoms in the formula: 10.66

Info

Empirical formula:

[Cs0.31((OH)0.75F0.25)0.69](Sb0.57Na0.31Pb0.02Bi0.01)(Ta1.88Nb0.12)[O5.69((OH)0.75F0.25)0.31]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.13

0.75

7.04

1.0079470

0.7559603
Oxygen

O

17.65

6.44

60.41

15.9994300

103.0363292
Fluorine

F

0.81

0.25

2.35

18.9984033

4.7496008
Sodium

Na

1.22

0.31

2.91

22.9897702

7.1268288
Niobium

Nb

1.91

0.12

1.13

92.9063820

11.1487658
Antimony

Sb

11.89

0.57

5.35

121.7601000

69.4032570
Caesium

Cs

7.06

0.31

2.91

132.9054520

41.2006901
Tantalum

Ta

58.27

1.88

17.64

180.9479100

340.1820708
Lead

Pb

0.71

0.02

0.19

207.2100000

4.1442000
Bismuth

Bi

0.36

0.01

0.09

208.9803820

2.0898038

Analysis wt%

Ø Ta2O5 : 71.49, Nb2O5 : 2.37, Sb2O3 : 13.20, Bi2O3 : 0.64, Cs2O : 7.60, Na2O : 1.24, PbO : 2.29 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 81)

Strunz 9th edition incl. updates

4.DH.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
15:Pyrochlor-Gruppe

Lapis Classification

IV/C.13-100

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
13: Pyrochlor-Gruppe; MIKROLITH-Untergruppe [Ta ± Nb]

IMA status

anerkannt (2010) - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Pyrochlore supergroup  ⇒ Microlite group

Optical Properties

RI value α / ω / n

1.8>

Ri mean

1.8>

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.522

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

1164.917

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.5

VHN (Hardness Vickers)

925 (40g)

Density (g/cm³)

6.49 (berechnet) 6.4 - 6.6 (gemessen)

6.657 ( ρ calc. Mineralienatlas )

Preface

Associations

Simpsonit, Stibiotantalit, Mikrolith, Wodginit, Tantalit, Pollucit, Sosedkoit (Kola-Halbinsel, Russland); Kimrobinsonit, Manganotantalit (Mt. Holland, West-Australien)

References

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

IMA group assignments

Other languages

English

Hydroxykenomicrolite

German

Hydroxykenomikrolith

Russian

Гидроксикеномикролит

CNMNC symbol

Symbol

Hykmic

Locations with GPS information

IDs

GUSID (Global unique identifier short form) qLp-iOm73Ee_XlVxwg3cdQ
GUID (Global unique identifier) 887EBAA8-BBE9-47DC-BF5E-5571C20DDC75
Database ID 7184