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Carmeltazite

Collectors Summary

Color dunkelbraun, dunkelgrün
Crystal System orthorhombisch, Pnma

Chemism

Chem­ical formula

ZrAl2Ti4O11

Empir­ical formula (anal­y­sis)

(Ti3+3.60Al1.89Zr1.04Mg0.24Si0.13Sc0.06Ca0.05Y0.02Hf0.01)Σ7.04O11

Chem­ical com­po­si­tion

Aluminium, Titan, Zirconium, Sauerstoff

Unit weight: 511.932210186 u; Number of atoms in the formula: 18.04

Info

Empirical formula:

(Ti3.60Al1.89Zr1.04Mg0.24Si0.13Sc0.06Ca0.05Y0.02Hf0.01)O11

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

34.38

11

60.98

15.9994300

175.9937300

Magnesium

Mg

1.14

0.24

1.33

24.3050600

5.8332144

Aluminium

Al

9.96

1.89

10.48

26.9815382

50.9951072

Silicon

Si

0.71

0.13

0.72

28.0855300

3.6511189

Calcium

Ca

0.39

0.05

0.28

40.0784000

2.0039200

Scandium

Sc

0.53

0.06

0.33

44.9559108

2.6973546

Titanium

Ti

33.66

3.6

19.96

47.8671000

172.3215600

Yttrium

Y

0.35

0.02

0.11

88.9058520

1.7781170

Zirconium

Zr

18.53

1.04

5.76

91.2242000

94.8731680

Hafnium

Hf

0.35

0.01

0.06

178.4920000

1.7849200

Anal­y­sis wt%

ZrO2 24.03,
Al2O3 19.88,
Ti2O3 56.09,
Total 100.00 wt %

Strunz 9th edi­tion incl. updates

4

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)

Lapis Clas­sifica­tion

IV/C.10-100

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
10: Perowskit-Reihe

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

dunkelbraun, dunkelgrün

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(471.1) 21.80, 22.90, 22.35
(548.3) 21.00, 21.60, 21.30
(586.6) 19.90, 20.70, 20.30
(652.3) 18.50, 19.80, 19.15

Reflection chart Carmeltazite

Reflec­tiv­ity Ø

20.78

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell param­e­ters a (Å)

14.0951(9)

Cell param­e­ters b (Å)

5.8123(4)

Cell param­e­ters c (Å)

10.0848(7)

Cell param­e­ters a/b or c/a

2.425

Cell param­e­ters c/b

1.735

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

826.197

X-Ray Pow­der Diffrac­tion

5.04(65),
4.09(60),
2.961(100),
2.885(40),
2.047(60)

XRD chart Carmeltazite

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

Physical Properties

Density (g/cm³)

4.12

4.115 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Israel/Haifa, Distrikt/Karmel (Carmel)/Rakefet Magmatischer Komplex

Par­a­ge­n­e­sis of type mate­r­ial

Entdeckt in Taschen von eingeschlossenem Schmelzinterstitial oder in Korund Xenokristallen aus den kreidehaltigen Karmelvulkanen Nordisraels, die mit Korund, Tistarit, Anorthit, Osbornit, und einem unbenamter REE (Rare Earth Element)-Phase in einem Ca-Mg-Al-Si-O Glas vorkommen.

Preface

Name from

Der Name Carmeltazit leitet sich vom Berg Carmel ("CARMEL") und von den im Mineral vorhandenen dominanten Metallen Titan, Aluminium und Zirkonium ("TAZ") ab.

References

William L. Griffin, Sarah Gain, Luca Bindi, Suzanne Y. O’Reilly - Carmeltazite, ZrAl2Ti4O11, a New Mineral Trapped in Corundum from Volcanic Rocks of Mt Carmel, Northern Israel; December 2018Minerals 8(12):601

Other languages

German

Carmeltazit

English

Carmeltazite

Russian

Кармельтазит

Alternative Name

German

Karmeltazit

CNMNC (IMA)-Number

IMA 2018-103

CNMNC symbol

Symbol

Ctz

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

German pages

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

English pages

Mindat - search for: Carmeltazite
Webmineral - search for:Carmeltazite
Handbook-of-Mineralogy - search for: Carmeltazite
RRUFF - Raman, XRD and other mineral data - search for: Carmeltazite
RRUFF - References and PDF downloads - search for: Carmeltazite
American-Mineralogist-Crystal-Structure-Database - search for: Carmeltazite
Athena - search for: Carmeltazite
Strahlen.org - search for: Carmeltazite
Mineralienatls.de (Forum) - search for: Carmeltazit

Russian pages

Webmineral.ru - search for: Кармельтазит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Carmeltazit
Crystal-Treasure.com - search for: Carmeltazit
Bosse - search for: Carmeltazit
Edelsteine Neuburg - Gundolf Fischer - search for: Carmeltazit

Locations with GPS information