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Tranquillityite

Pictures (1 Images total)

Tranquillityit mit Zirkonolith
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Tranquillityit mit Zirkonolith
rotbrauenes Aggregat von Tranquillityit neben schwarzem Zirkonolith, Dolerite Sills, East Pilbara Shire, Western Australia, Australien; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Australien/Western Australia/Pilbara/East Pilbara Shire
Mineral: Tranquillityite, Zirconolite
Image: 1590693548
License: Usage for Mineralienatlas project only
Tranquillityit mit Zirkonolith

rotbrauenes Aggregat von Tranquillityit neben schwarzem Zirkonolith, Dolerite Sills, East Pilbara Shire, Western Australia, Australien; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-28
Locality: East Pilbara Shire / Pilbara / Western Australia / Australien

Collectors Summary

Color dunkelrot
Crystal System hexagonal,

Chemism

Chem­ical formula

Fe2+8Ti3Zr2Si3O24

Chem­ical com­po­si­tion

Eisen, Silicium, Titan, Zirconium, Sauerstoff

Unit weight: 1241.05421 u; Number of atoms in the formula: 40

Info

Empirical formula:

Fe8Ti3Zr2Si3O24

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

30.94

24

60.00

15.9994300

383.9863200

Silicon

Si

6.79

3

7.50

28.0855300

84.2565900

Titanium

Ti

11.57

3

7.50

47.8671000

143.6013000

Iron

Fe

36.00

8

20.00

55.8452000

446.7616000

Zirconium

Zr

14.70

2

5.00

91.2242000

182.4484000

Anal­y­sis wt%

Ø SiO2 : 14.00, TiO2 : 19.45, Al2O3 : 1.12, FeO : 43.48, CaO : 1.26, ZrO2 : 17.15, Y2O3 : 2.76, Ln2O3 : 3.00 (Ref: Proc.2nd Lunar Sci.Conf.71)

Strunz 9th edi­tion incl. updates

9.AG.05

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
G: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in meist [6] und > [6] Koordination
05:Braunit-Gruppe

Lapis Clas­sifica­tion

VIII/B.07-010

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
7: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]

Clas­sifica­tion by Hölzel

9.AG.300

9: SILICATES
A: Nesosilicates
G: Nesosilicates with Cation: O
3: Unclassified

Dana 8th edi­tion

78.07.16.01

78: Unclassified Silicate Minerals
07: Unclassified silicates wholly unclassified silicates

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

dunkelrot

Change in color

dünne Kristalle sind im Durchlicht dunkel fuchsrot

Diaphane­ity (Trans­parency)

opak, durchscheinend

RI value α / ω / n

2.11 - 2.13

Ri mean

2.12

2V angle

Biaxial 40° (gemessen)

Pleochro­ism

keiner

Anisotropism

isotropisch bis schwach isotropisch

Crystallography

Crystal Sys­tem

hexagonal

Cell param­e­ters a (Å)

11.69

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

22.25

Cell param­e­ters a/b or c/a

1.903

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

6

Volumne (ų)

2633.235

X-Ray Pow­der Diffrac­tion

4.04(50),
3.34(40),
3.23(100),
3.18(40),
3.13(40),
2.922(40),
2.155(60),
1.783(70)

XRD chart Tranquillityite

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

Physical Properties

Density (g/cm³)

4.70 (berechnet)

4.695 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Mond

Mond/Meer der Ruhe (Mare Tranquillitatis)

Type mate­r­ial

Lunar Science Institute, Houston, Texas, USA.

Preface

Name from

Der Lokation auf dem Mond "Sea of Tranquillity" wo das Mineral zuerst gesammelt wurde

Author (Name, Year)

Lovering & Wark & Reid & Bunch & El Goresy & Ramdohr & Brown & Peckett

References

Proceedings of the Lunar Science Conference USA 1 (1971), 39

Geology 40 (2012), 83

Other languages

German

Tranquillityit

French

Tranquillityite

English

Tranquillityite

Spanish

Tranquillityíta

Japanese

トランクリティアイト

CNMNC (IMA)-Number

IMA 1971-013

CNMNC symbol

Symbol

Trq

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

German pages

DeWikiPedia - search for: Tranquillityit
Google-Bilder-Suche - search for: Tranquillityit
Mineralienatlas.de (Forum) - search for: Tranquillityit

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Tranquillityit
Crystal-Treasure.com - search for: Tranquillityit
Bosse - search for: Tranquillityit
Edelsteine Neuburg - Gundolf Fischer - search for: Tranquillityit
Geolitho marketplace, by and for collectors - search for: Tranquillityit

Locations with GPS information