'._('einklappen').'
 

Fabrièsite (IMA 2012-080)

Pictures (1 Images total)

Trinephelin/Fabriesit
Views (Image: 1540151081): 323
Trinephelin/Fabriesit

Trinephelin/Fabriesit in inniger Verwachsung; in Jadeit aus Myanmar; Stufengrösse: 8 mm

Collection: Rockhounder
Copyright: Rockhounder
Contribution: Rockhounder 2018-10-21
Locality: Hpakant-Tawmaw Jade-Gangzug / Hpakant Township / Mohnyin, Distrikt / Kachin-Staat / Myanmar (Burma)

Collectors Summary

Color weiß bis blass gelb
Streak color weiß
Lustre Glasglanz, Fettglanz
Hardness (Mohs) 5 - 5.5
Crystal System orthorhombisch, Pna21
Morphology Fabriesit ist pseudomorph nach Jadeit and tritt als Skelettkristall bis zu 15–20 μm Länge und 5–10 μm Breite auf.

Chemism

Chemical formula

Na3Al3Si3O12·2H2O

Additional chem. information

Bekannte synthetische Komponente

Chemical composition

Aluminium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 462.1943232 u; Number of atoms in the formula: 27

Info

Empirical formula:

Na3Al3Si3O12·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.87

4

14.81

1.0079470

4.0317880

Oxygen

O

48.46

14

51.85

15.9994300

223.9920200

Sodium

Na

14.92

3

11.11

22.9897702

68.9693106

Aluminium

Al

17.51

3

11.11

26.9815382

80.9446146

Silicon

Si

18.23

3

11.11

28.0855300

84.2565900

IMA status

anerkannt - Neue Mineralien Feb. 2013; CNMNC Newsletter No. 15

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß bis blass gelb

Streak color

weiß

Change in color

dünne Kristalle durchsichtig

Diaphaneity (Transparency)

durchscheinend, durchsichtig

Lustre

Glasglanz, Fettglanz

Optical Data Luminescence

Luminescence

keine Fluoreszenz

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

33

Space Group

Pna21

Cell parameters a (Å)

16.4260

Cell parameters b (Å)

15.0140

Cell parameters c (Å)

5.2235

Cell parameters a/b or c/a

1.094

Cell parameters c/b

0.348

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

1288.219

X-Ray Powder Diffraction

8.21(36), 7.51(32), 4.41(77), 3.41(100), 2.97(70), 2.86(25), 2.61(40), 2.45(29)

XRD chart Fabrièsite

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

Morphology

Fabriesit ist pseudomorph nach Jadeit and tritt als Skelettkristall bis zu 15–20 μm Länge und 5–10 μm Breite auf.

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5 - 5.5

Density (g/cm³)

2.346 (berechnet)

2.383 ( ρ calc. Mineralienatlas )

Radioactivity

keine

(Co-)Type locality

(Co-)Type locality

Myanmar (Burma)/Kachin-Staat/Mohnyin, Distrikt/Hpakant Township/Hpakant-Tawmaw Jade-Gangzug/Tawmaw

Type material

Museum National d’Histoire Naturelle (MNHN) von Paris, Frankreich

Collection number of type material

MNHN 212-001

Preface

Occurrences

Fabriesite und Trinephelin treten innig miteinander verwachsen mit Nephelin, seltener mit Albit und andere Feldspat-Gruppe Phasen wie Banalsit und Stronalsit auf. Anderen assoziierten Mineralien sind Jadeit und andere Sekundärprodukte wie Natrolith und Harmotom.

Associations

Stronalsit, Nephelin, Natrolith, Jadeit, Harmotom, Banalsit, Albit

Name from

Jacques Fabriès (9. April 1932 Frankreich - 22. Juli 2000 Frankreich), ehemaliger Professor des Muséum National d'Histoire Naturelle in Paris (Frankreich).

Author (Name, Year)

C. Ferraris, S. Pont, G.C. Parodi, B. Rondeau and J.P. Lorand (2013)

References

Ferraris, C., Pont, S., Parodi, G.C., Rondeau, B. and Lorand, J.P. (2013) Fabriesite, IMA 2012-080. CNMNC Newsletter No. 15, February 2013, page 10; Mineralogical Magazine, 77, 112.

IMA 15-E: Spelling of names of eight mineral species Proposal 15-E is accepted, and the spelling of eight mineral names is modified as follows: achavalite becomes achávalite; behierite becomes béhierite; camerolaite becomes camérolaite; fabriesite becomes fabrièsite; remondite-(Ce) becomes rémondite-(Ce); remondite-(La) becomes rémondite-(La); sénarmontite becomes senarmontite; sérandite becomes serandite.

Other languages

German

Fabrièsit

English

Fabrièsite

IMA Number

IMA 2012-080

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

German pages

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

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Fabrièsit
Crystal-Treasure.com - search for: Fabrièsit
Bosse - search for: Fabrièsit



Notice: "Undefined variable: ub"