https://www.edelsteine-neuburg.de
https://www.mineralbox.biz
https://www.mineraliengrosshandel.com
https://www.mineral-bosse.de
'._('einklappen').'
 

Oxynatromicrolite

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chemical formula

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

Chemical composition

Calcium, Natrium, Niob, Tantal, Fluor, Sauerstoff, Uran

Unit weight: 529.8613561525 u; Number of atoms in the formula: 11

Info

Empirical formula:

(Na0.6Ca0.3U0.1)2(Ta0.75Nb0.25)2O6(O0.75F0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

20.38

6.75

61.36

15.9994300

107.9961525

Fluorine

F

0.90

0.25

2.27

18.9984033

4.7496008

Sodium

Na

5.21

1.2

10.91

22.9897702

27.5877242

Calcium

Ca

4.54

0.6

5.45

40.0784000

24.0470400

Niobium

Nb

8.77

0.5

4.55

92.9063820

46.4531910

Tantalum

Ta

51.23

1.5

13.64

180.9479100

271.4218650

Uranium

U

8.98

0.2

1.82

238.0289130

47.6057826

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.13-014

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

IMA status

anerkannt - CNMNC Newsletter No. 17, October 2013

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)

10.420

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°

Volume (ų)

1131.366

X-Ray Powder Diffraction

6.149(40),
3.026(100),
2.617(25),
2.009(10),
1.844(35),
1.571(30),
1.503(10),
1.196(15)

XRD chart Oxynatromicrolite

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

China/Henan, Provinz/Sanmenxia, Präfektur/Lushi, Kreis/Guanpo/Guanpo Pegmatitfeld/No. 309 Pegmatit-Gang

Type material

Geological Museum of China, Beijing, China

Collection number of type material

M11940

Preface

Author (Name, Year)

Fan Guang, Ge Xiangkun, Li Guowu, Yu Apeng und Shen Ganfu (2013)

References

Fan Guang, Ge Xiangkun, Li Guowu, Yu Apeng und Shen Ganfu (2013) Oxynatromicrolite, IMA 2013-063. CNMNC Newsletter No. 17, October 2013, page 3004; Mineralogical Magazine, 77, 2997 - 3005

IMA group assignments

Other languages

English

Oxynatromicrolite

German

Oxynatromikrolith

CNMNC (IMA)-Number

IMA 2013-063

CNMNC symbol

Symbol

Onmic

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ScDHkNoewUynlHW1gfmLyw
GUID (Global unique identifier) 90C7C049-1EDA-4CC1-A794-75B581F98BCB
Database ID 7675