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Colomeraite

Collectors Summary

Crystal System monoklin, C2/c

Additional information / Summary

aus einem Meteorit

Chemism

Chemical formula

NaTi3+Si2O6

Chemical composition

Natrium, Silicium, Titan, Sauerstoff

Unit weight: 223.0245102 u; Number of atoms in the formula: 10

Info

Empirical formula:

NaTiSi2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

43.04

6

60.00

15.9994300

95.9965800

Sodium

Na

10.31

1

10.00

22.9897702

22.9897702

Silicon

Si

25.19

2

20.00

28.0855300

56.1710600

Titanium

Ti

21.46

1

10.00

47.8671000

47.8671000

IMA status

anerkannt - CNMNC Newsletter 63, August - September 2021

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pyroxene group  ⇒ Clinopyroxene group

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

9.70(1)

Cell parameters b (Å)

8.88(1)

Cell parameters c (Å)

5.30(1)

Cell parameters a/b or c/a

1.092

Cell parameters c/b

0.597

Cell parameters α

90°

Cell parameters β

106.8(1)°

Cell parameters γ

90°

Volume (ų)

437.036

Crystal structure

Pyroxen-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

2.996(100), 2.923(43), 2.562(21), 2.537(40), 2.496(37), 1.637 (20), 1.619(19), 1.408(22)

(Co-)Type locality

(Co-)Type locality

Spanien/Andalusien (Andalucía)/Granada, Provinz/Colomera Meteorit

Type material

Das Typenmaterial ist in den mineralogischen Sammlungen des Smithsonian National Museum of Natural History, 10th St. & Constitution Ave. NW, Washington, DC 20560, USA, Katalognummer USNM 7928

Preface

Author (Name, Year)

Chi Ma (2021)

References

Ma, C. (2021) Colomeraite, IMA 2021-061. CNMNC Newsletter 63; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.74

IMA group assignments

Names

IMA 2021-061

Other languages

German

Colomerait

English

Colomeraite

CNMNC symbol

Symbol

Colo

Locations with GPS information

IDs

GUSID (Global unique identifier short form) hmD8FyXWEEu0vvA2LksyWg
GUID (Global unique identifier) 17FC6086-D625-4B10-B4BE-F0362E4B325A
Database ID 9069