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Hydrokenomicrolite

Pictures (1 Images total)

Hydrokenoelsmoreit
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Hydrokenoelsmoreit
Hydrokenoelsmoreit schwarz BB10 mm Italien/Piemont (Piemonte), Region/Biella, Provinz/Campiglia Cervo/Quittengo/Cascine Machetto/Miniera di Alpe Machetto
Copyright: Othmar Atzor; Contribution: anatase2
Collection: anatase2, Collection number: 3329
Location: Italien/Piemont (Piemonte), Region/Biella, Provinz/Campiglia Cervo/Quittengo/Cascine Machetto/Miniera di Alpe Machetto
Mineral: Hydrokenomicrolite
Image: 1707502056
License: Usage for Mineralienatlas project only
Hydrokenoelsmoreit (SNr: 3329)

Hydrokenoelsmoreit schwarz BB10 mm Italien/Piemont (Piemonte), Region/Biella, Provinz/Campiglia Cervo/Quittengo/Cascine Machetto/Miniera di Alpe Machetto

Collection: anatase2
Copyright: Othmar Atzor
Contribution: anatase2 2024-02-09
Locality: Miniera di Alpe Machetto / Cascine Machetto / Quittengo / Campiglia Cervo / Biella, Provinz / Piemont (Piemonte), Region / Italien

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chemical formula

(◻,H2O)2Ta2(O,OH)6(H2O)

Chemical composition

Tantal, Sauerstoff, Wasserstoff

Unit weight: 495.4349685 u; Number of atoms in the formula: 15.5

Info

Empirical formula:

(◻,H2O)2Ta2(O0.75(OH)0.25)6(H2O)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.12

5.5

35.48

1.0079470

5.5437085

Oxygen

O

25.83

8

51.61

15.9994300

127.9954400

Tantalum

Ta

73.05

2

12.90

180.9479100

361.8958200

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.13-106

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

Classification by Hölzel

4.CI.960

4: OXIDES
C: R2O3 Sesquioxides
I: Microlite-Group, Ta-dominant on the B-site

IMA status

anerkannt (2010) - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010); anerkannt - Februar 2012 - CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pyrochlore supergroup  ⇒ Microlite group

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.573

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)

1181.938

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

6.112(86), 3.191(52), 3.052(100), 2.642(28), 2.035(11), 1.869(29), 1.788(10), 1.594(24)

XRD chart Hydrokenomicrolite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Polytypes

Parabariomicrolite

BaTa4O10(OH)2·2H2O

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.568 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais/Nazareno/Volta Grande Pegmatit

Type material

Museu de Geociências, Instituto de Geociências, Universidade de São Paulo, São Paulo, Brazil

Collection number of type material

DR725

Preface

Author (Name, Year)

Marcelo B. Andrade, Daniel Atencio, Nikita V. Chukanov, Javier Ellena (2013)

References

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

CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817.

Marcelo B. Andrade, Daniel Atencio, Nikita V. Chukanov, Javier Ellena: Hydrokenomicrolite, ( ,H2O)2Ta 2(O,OH)6(H2O), a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. American Mineralogist Vol. 98 (2013) S. 292-296.

Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 19/2, 2011. ISSN 1211-0329 (print); 1804-6495 http://www.academia.edu/2780876/Mineral_inclusions_in_beryl_feldspars_and_quartz_from_the_Moravany_nad_Vahom_Striebornica_granitic_pegmatite_Povazsky_Inovec_Mts._western_Slovakia_composition_and_genetic_aspects

IMA group assignments

 
A2-mD2X6-wZ1-n
 
 

 
 
(Na,Ca)2Ta2O6(O,OH,F)
kubisch
Fd3m

 
 
 
(Ca,Na)2Ta2(O,OH)6F
kubisch
Fd3m

 
 
 
(Na,Ca,Bi)2(Ta,Nb)2O6F
kubisch
Fd3m

 
 
 
(◻,H2O)2Ta2(O,OH)6(H2O)
kubisch
Fd3m

 
 
 
(H2O,◻)2Ta2(O,OH)6(H2O)
 
 

 
 
 
Ca1.5Ta2O6(OH)
kubisch
P4332

 
 
 
(◻,Na,Sb3+)2Ta2O6(OH)
kubisch
Fd3m

 
 
 
(Pb,◻)2Ta 2O6(◻,O,OH)
kubisch
Fd3m

 
 
 
(Bi1.33☐0.67)Σ2Ta2O6O
kubisch
Fd3m

 
 
 
Ca2Ta2O7
kubisch
Fd3m

 
 
 
(Na,Ca,U)2(Ta,Nb)2O6(O,F)
kubisch
Fd3m

 
 
 
Sn2Ta2O6O
kubisch
Fd3m

 
 
 
(Sb3+,Ca)2Ta2O6O
 
 

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Actuality: 22. Feb 2024 - 16:21:28

Other languages

English

Hydrokenomicrolite

German

Hydrokenomikrolith

Russian

Гидрокеномикролит

CNMNC (IMA)-Number

IMA 2011-103

CNMNC symbol

Symbol

Hkmic

IDs

GUSID (Global unique identifier short form) fvhSu0_MaESkuc9ibNWE2g
GUID (Global unique identifier) BB52F87E-CC4F-4468-A4B9-CF626CD584DA
Database ID 7183