'._('einklappen').'
 

Thénardite

Pictures (7 Images total)

Thénardit
Views (Image: 1482346912): 1232
Thénardit

Thénardit, Soda Lake, Carizzo Plain, San Luis Obispo Co., Kalifornien, USA, 90 x 69 x 60 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2016-12-21
Locality: Soda Lake / Carrizo Plain / San Luis Obispo Co. / Kalifornien (California) / USA
Thenardit
Views (Image: 1295600366): 2337
Thenardit

Größe: 82x52x47 mm; Fundort: Strip Mine, Soda Lake, Carrizo Plain, San Luis Obispo Co., Kalifornien, USA

Copyright: Michael Roarke
Contribution: slugslayer 2011-01-21
Locality: Soda Lake Deposit (Strip Mine) / Soda Lake / Carrizo Plain / San Luis Obispo Co. / Kalifornien (California) / USA
Thenardit
Views (Image: 1276990744): 2608
Thenardit

Größe: 52x33 mm; Fundort: Soda Lake, San Luis Obispo Co., Kalifornien, USA

Copyright: John Sobolewski
Contribution: slugslayer 2010-06-20
Locality: Soda Lake / Carrizo Plain / San Luis Obispo Co. / Kalifornien (California) / USA
Thenardit
Views (Image: 1282587020): 2706
Thenardit

Größe: 19 x 9 cm, Fundort: Wadi el Natrun, Western Desert, Ägypten

Copyright: Luigi Chiappino
Contribution: thdun5 2010-08-23
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten
Thenardit
Views (Image: 1250707955): 2935
Thenardit

Größe: 70x50 mm; Fundort: Soda Lake, San Luis Obispo Co., Kalifornien, USA

Collection: giantcrystal
Copyright: slugslayer
Contribution: slugslayer 2009-08-19
Locality: Soda Lake / Carrizo Plain / San Luis Obispo Co. / Kalifornien (California) / USA
Thénardit
Views (Image: 1437297514): 666
Thénardit (SNr: B005581)

Blaßorange Kristalle, Stufenbreite 3cm; Fundort: Wadi el Natrun, Western Desert, Ägypten.

Collection: Lithothek der Münchener Micromounter
Copyright: derhesse
Contribution: Münchener Micromounter 2015-07-19
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten

Collectors Summary

Color weiß, grauweiß, gelblich weiß, rötlichweiß, bräunlich weiß
Streak color weiß
Hardness (Mohs) 2.5
Solubility +++ H2O
Crystal System orthorhombisch, Fddd

Chemism

Chem­ical formula

Na2SO4

Chem­ical com­po­si­tion

Natrium, Sauerstoff, Schwefel

Unit weight: 142.0427604 u; Number of atoms in the formula: 7

Info

Empirical formula:

Na2SO4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

45.06

4

57.14

15.9994300

63.9977200

Sodium

Na

32.37

2

28.57

22.9897702

45.9795404

Sulfur

S

22.57

1

14.29

32.0655000

32.0655000

Anal­y­sis wt%

Na2O : 43.64, SO3 : 56.36 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

7.AC.25

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
A: Sulfate (Selenate, etc.) ohne weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen Kationen
25:Thenardit-Gruppe

Lapis Clas­sifica­tion

VI/A.07-010

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
A: Wasserfreie Sulfate [SO4] 2-, ohne fremde Anionen
7: Sehr große Kationen

Clas­sifica­tion by Hölzel

7.AC.400

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
A: Sulfates (-Anions -Water)
C: Sulfates, C large

Dana 8th edi­tion

28.02.03.01

28: Sulfate Minerals
02: Anhydrous Acid and Sulfates (A+)2 XO4

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß, grauweiß, gelblich weiß, rötlichweiß, bräunlich weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.015

Birefringence chart\! Thénardite title=Birefringence chart Thénardite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.468

RI value β

1.475

RI value γ / ε

1.483

Ri mean

1.475

2V angle

Biaxial (+) 83°

Optical Data Luminescence

Lumi­nes­cence

fluoreszierend

Color LW-UV (365nm)

 

gelblich weiß

LW-UV Intensity

stark

Color SW-UV (254nm)

 

weiß

SW-UV Intensity

stark

MW-UV Other Col­ors

       

bläulich weiß, gelblich weiß, blau, grünlich weiß

SW-UV Other Col­ors

         

bläulich weiß, gelblich weiß, blau, bläulich, grünlich weiß

Color SW-UV After­glow (254nm)

 

grünlich weiß

SW-UV After­glow Intensity

stark

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

70

Space Group

Fddd

Cell param­e­ters a (Å)

9.821

Cell param­e­ters b (Å)

12.308

Cell param­e­ters c (Å)

5.862

Cell param­e­ters a/b or c/a

0.798

Cell param­e­ters c/b

0.476

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

708.58

X-Ray Pow­der Diffrac­tion

4.66(70),
3.84(20),
3.178(50),
3.075(50),
2.783(100),
2.646(50),
2.329(20),
1.864(30)

XRD chart Thénardite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.67 - 2.7 / Durchschnittlich = 2.68

2.663 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

(Co-)Type locality

(Co-)Type locality

Spanien/Comunidad de Madrid/Aranjuez/Espartinas Salz-See

Preface

Name from

Louis Jacques Thénard (1777-1857).

Author (Name, Year)

Casaseca, 1826

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 702

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Thénardite

Na2SO4

orthorhombisch : mmm : Fddd

7.AC.25

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Thénardite

Na2SO4

orthorhombisch : mmm : Fddd

VI/A.07-010

Arcanite

K2SO4

orthorhombisch : mmm : Pmcn

VI/A.07-020

Mascagnite

(NH4)2SO4

orthorhombisch : mmm : Pnam

VI/A.07-030

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Thénardite

Na2SO4

orthorhombisch : mmm : Fddd

7.AC.400

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Mascagnite

(NH4)2SO4

orthorhombisch : mmm : Pnam

28.02.01.01

Arcanite

K2SO4

orthorhombisch : mmm : Pmcn

28.02.01.02

Aphthitalite

(K,Na)3Na(SO4)2

trigonal : 3m : P3m1

28.02.02.01

Thénardite

Na2SO4

orthorhombisch : mmm : Fddd

28.02.03.01

Gianellaite

Hg4(SO4)N2

kubisch : 43m : F43m

28.02.04.01

Other languages

Spanish

Thenardita

French

Thenardite

German

Thénardit

English

Thénardite

Russian

Тенардит

Simplified Chinese

无水芒硝

Traditional Chinese

無水芒硝

Alternative Name

German

Anhydrisches Natronsulfat

Pyrotechnite

Thnardite

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Тенардит

Mineral Dealer

German pages

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

Locations with GPS information