'._('einklappen').'
 

Hydroxykenomicrolite

Pictures (1 Images total)

Hydroxykenomikrolith
Views (Image: 1581242524): 187
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

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 ver-wandte 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

Volumne (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)

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Betafite (of Hogarth 1977)' (Var.v. Pyrochlore supergroup)

(Ca,Na,U)2(Ti,Nb,Ta)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroplumboelsmoreite

(Pb,☐)2(W,Fe3+)2O6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Fluornatrocoulsellite

CaNa3AlMg3F14

trigonal : 3m : R3m

4.DH.15

Hydroxymanganopyrochlore

(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Alumotungstite' (Var.v. Hydrokenoelsmoreite)

(H2O,Ca)x(W,Al)2(O,OH)6·nH2O

4.DH.15

'Calciobetafite' (Var.v. Pyrochlore supergroup)

Ca2(Ti,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Cesstibtantite' (Var.v. Pyrochlore supergroup)

(Cs,Na)SbTa4O12

kubisch : m3m : Fd3m

4.DH.15

'Ferritungstite' (Var.v. Hydrokenoelsmoreite)

(W6+,Fe3+)2(O,OH)6·n(H2O,K,Ca,Na)

kubisch : m3m : Fd3m

4.DH.15

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

(Pb,U,Ca)(Ti,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Stibiobetafite' (Var.v. Pyrochlore group)

(Sb3+,Ca)2(Ti,Nb,Ta)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Uranmicrolite' (Var.v. Microlite group)

(Ca,U)2(Ta,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

(Ca,U,Na,Ce)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

'Bariomicrolite'

Ba(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

(Ba,Sr)(Nb,Ti)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Natrobistantite' (Var.v. Microlite group)

(Na,Cs)Bi(Ta,Nb,Sb)4O12

4.DH.15

'Plumbomicrolite' (Var.v. Microlite group)

(Pb,Na,Ca)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Plumbopyrochlore' (Var.v. Pyrochlore group)

(Pb,Y,U,Ca)2-xNb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Stannomicrolite' (Var.v. Microlite group)

(Sn2+,Fe2+)(Ta,Nb,Sn4+)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Stibiomicrolite' (Var.v. Microlite group)

(Sb,Ca,Na)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bismutomicrolite'

(Bi,Ca)(Ta,Nb)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

4.DH.15

Oxynatromicrolite

(Na,Ca,U)2(Ta,Nb)2O6(O,F)

kubisch : m3m : Fd3m

4.DH.15

'Yttrobetafite-(Y)' (Var.v. Pyrochlore supergroup)

(Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

amorph

4.DH.15

'Strontiopyrochlore' (Var.v. Pyrochlore group)

Sr0.6Nb2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

Cesiokenopyrochlore

☐Nb2(O,OH)6Cs1−x {x ∼ 0.20}

kubisch : m3m : Fd3m

4.DH.15

Hydrokenoelsmoreite

WO3·0.5H2O

kubisch : m3m : Fd3m

4.DH.15

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Oxybismutomicrolite

(Bi1.33☐0.67)Σ2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

4.DH.15

Oxystannomicrolite

Sn2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxystibiomicrolite

(Sb3+,Ca)2Ta2O6O

4.DH.15

'Yttropyrochlore-(Y)' (Var.v. Pyrochlore group)

(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7

4.DH.15

'Ceriopyrochlore-(Ce)' (Var.v. Pyrochlore supergroup)

(Ca,Ce,Y,Na)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

Fluornatromicrolite

(Na,Ca,Bi)2(Ta,Nb)2O6F

kubisch : m3m : Fd3m

4.DH.15

Fluornatropyrochlore

(Na,Pb,Ca,REE,U)2Nb2O6F

kubisch : m3m : Fd3m

4.DH.15

Hydrokenopyrochlore

2Nb2O4(OH)2(H2O)

kubisch : m3m : Fd3m

4.DH.15

Hydroxyferroroméite

(Fe2+1.50.5)Sb5+2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Kenoplumbomicrolite

(Pb,◻)2Ta 2O6(◻,O,OH)

kubisch : m3m : Fd3m

4.DH.15

Oxycalciopyrochlore

Ca2Nb2O6O

4.DH.15

Fluorcalciomicrolite

(Ca,Na)2Ta2(O,OH)6F

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenoelsmoreite

(☐,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)

trigonal : 3 : R3

4.DH.15

Hydroxykenomicrolite

(◻,Na,Sb3+)2Ta2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenopyrochlore

(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalciopyrochlore

(Ca,Na)2(Nb,Ti)2O6F

kubisch : m3m : Fd3m

4.DH.15

Hydroxynatropyrochlore

(Na,Сa,Ce)2Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciomicrolite

Ca1.5Ta2O6(OH)

kubisch : 432 : P4332

4.DH.15

Hydroxyplumbopyrochlore

(Pb1.50.5)Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciopyrochlore

(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalcioroméite

(Ca,Na)2Sb5+2O6(F,OH)

kubisch : m3m : Fd3m

4.DH.15d

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Fluornatromicrolite

(Na,Ca,Bi)2(Ta,Nb)2O6F

kubisch : m3m : Fd3m

IV/C.13-012

Fluorcalciomicrolite

(Ca,Na)2Ta2(O,OH)6F

kubisch : m3m : Fd3m

IV/C.13-022

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

IV/C.13-024

Oxystannomicrolite

Sn2Ta2O6O

kubisch : m3m : Fd3m

IV/C.13-034

Kenoplumbomicrolite

(Pb,◻)2Ta 2O6(◻,O,OH)

kubisch : m3m : Fd3m

IV/C.13-058

Oxystibiomicrolite

(Sb3+,Ca)2Ta2O6O

IV/C.13-064

Hydromicrolite

(H2O,◻)2Ta2(O,OH)6(H2O)

IV/C.13-096

Hydroxykenomicrolite

(◻,Na,Sb3+)2Ta2O6(OH)

kubisch : m3m : Fd3m

IV/C.13-100

'Oxykenomicrolite'

X2(Ta,Nb)2(O,OH)6O

IV/C.13-104

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

IV/C.13-106

CNMNC symbol

Symbol

Hykmic

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Hydroxykenomikrolith
Google-Bilder-Suche - search for: Hydroxykenomikrolith
Mineralogisch-Petrographisches-Institut Hamburg - search for: Hydroxykenomikrolith

English pages

Mindat - search for: Hydroxykenomicrolite
Webmineral - search for:Hydroxykenomicrolite
Handbook-of-Mineralogy - search for: Hydroxykenomicrolite
RRUFF - Raman, XRD and other mineral data - search for: Hydroxykenomicrolite
RRUFF - References and PDF downloads - search for: Hydroxykenomicrolite
American-Mineralogist-Crystal-Structure-Database - search for: Hydroxykenomicrolite
Athena - search for: Hydroxykenomicrolite

Russian pages

Webmineral.ru - search for: Гидроксикеномикролит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Hydroxykenomikrolith
Crystal-Treasure.com - search for: Hydroxykenomikrolith
Bosse - search for: Hydroxykenomikrolith