https://www.mineralbox.biz
https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://www.edelsteine-neuburg.de
'._('einklappen').'
 

Celsian

Pictures (2 Images total)

Celsian
Views (Image: 1105088039): 2732
Celsian

idiomorphe Kristalle; Historische Kleinstufe 3,2 x 3,5 cm; Fundort: Aberfeldy, Perthshire, Grampian Mts., Schottland

Collection: Collector
Copyright: Collector
Contribution: Mineralienatlas 2005-01-07
Locality: Aberfeldy / Perth and Kinross / Schottland / UK
Celsian
Views (Image: 1197012046): 2572
Celsian

Celsian (braun) mit Calcit und Willemit; Franklin, Sussex County, New Jersey, USA; Größe; 12 x 8 cm

Copyright: John Veevaert
Contribution: Collector 2007-12-07
Locality: Franklin / Franklin Mining District / Sussex Co. / New Jersey / USA

Collectors Summary

Color farblos, gelb, weiß
Streak color weiß
Hardness (Mohs) 6.25
Solubility +++ HCl, HF
Crystal System monoklin, I2/c

Additional information / Summary

Siehe auch unser umfangreiches Feldspat Portrait

Chemism

Chem­ical formula

BaAl2Si2O8

Chem­ical com­po­si­tion

Aluminium, Barium, Silicium, Sauerstoff

Unit weight: 375.4572764 u; Number of atoms in the formula: 13

Info

Empirical formula:

BaAl2Si2O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

34.09

8

61.54

15.9994300

127.9954400

Aluminium

Al

14.37

2

15.38

26.9815382

53.9630764

Silicon

Si

14.96

2

15.38

28.0855300

56.1710600

Barium

Ba

36.58

1

7.69

137.3277000

137.3277000

Anal­y­sis wt%

SiO2 : 31.90, Al2O3 : 26.81, BaO : 39.71, H2O : 1.67 (Ref: Hintze, Handbuch der Mineralogie, 1904-1974)

Strunz 9th edi­tion incl. updates

9.FA.30

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
A: Gerüstsilikate (Tektosilicates) ohne weitere [Anionen]
30:Feldspat: Alkali

Lapis Clas­sifica­tion

VIII/J.06-060

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
6: Ohne tetraederfremde Anionen; Feldspat-Gruppe

Clas­sifica­tion by Hölzel

9.FC.180

9: SILICATES
F: Tektosilicates
C: Feldspar-Group

Dana 8th edi­tion

76.01.01.04

76: Tektosilicates Tectosilicate Al-Si Framework
01: Tektosilicates Tectosilicate Al-Si Framework with Al-Si frameworks
01: K (Na,Ba) feldspars

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Feldspar group  ⇒ Alkali feldspar

Optical Properties

Color

farblos, gelb, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.011

Birefringence chart\! Celsian title=Birefringence chart Celsian

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

1.583

RI value β

1.588

RI value γ / ε

1.594

Ri mean

1.588

2V angle

Biaxial (+) 88°

Optical Data Luminescence

Color LW-UV (365nm)

 

blau

LW-UV Intensity

mittel

MW-UV (320nm)

 

blau

MW-UV Intensity

mittel

Color SW-UV (254nm)

 

blau

SW-UV Intensity

mittel

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

I2/c

Cell param­e­ters a (Å)

8.589

Cell param­e­ters b (Å)

13.008

Cell param­e­ters c (Å)

14.349

Cell param­e­ters a/b or c/a

0.660

Cell param­e­ters c/b

1.103

Cell param­e­ters α

90°

Cell param­e­ters β

114.55

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

1458.226

X-Ray Pow­der Diffrac­tion

6.523(40),
4.610(30),
3.553(40),
3.472(80),
3.349(100),
3.021(60),
2.774(40),
2.584(40)

XRD chart Celsian

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)

6.25

VHN (Hard­ness Vick­ers)

850 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.1 - 3.4 / Durchschnittlich = 3.25

3.42 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl, HF

Preface

Asso­cia­tions

Paracelsian, Banalsit, Hyalophan, Sanbornit, Bannisterit, Cymrit, Pennantit u.a.

Rare­ness

Selten

Author (Name, Year)

Sjögren, 1895

Col­lector informa­tion

Die besten bisher gefunden Kristalle stammen aus der Bennalt Mine, Rhow, Lleyn Peninsula in Wales und aus Aberfeldy in Schottland. (Beste Funde um 1930)

Addi­tional Informa­tion

Feldspat-Gruppe (Buddingtonit-Orthoklas-Slawsonit-Serie)

References

Rock-forming Minerals (Deer, Howie & Zussmann), 2nd ed., 4A (2001)

IMA group assignments


 
 
 
 
 

 
 
 
(Na,K)AlSi3O8
triklin
C1

 
 
 
(NH4)AlSi3O8·0.5 H2O
monoklin
P21, P21/m

 
 
 
BaAl2Si2O8
monoklin
I2/c

 
 
 
(K,Ba)Al(Si,Al)3O8
monoklin
C2/m

 
 
 
KAlSi3O8
triklin
C1

 
 
 
KAlSi3O8
monoklin
C2/m

 
 
 
(Rb,K)[AlSi3O8]
triklin
P1

 
 
 
(K,Na)(Si,Al)4O8
monoklin
C2/m

Refresh list

Actuality: 26. Jun 2022 - 06:10:23

Other languages

Dutch

Celsiaan

German

Celsian

English

Celsian

French

Celsian

Spanish

Celsiana

Russian

Цельзиан

Traditional Chinese

鋇長石

Simplified Chinese

钡长石

Alternative Name

Barium-Anorthite

Barium-Anorthite (of Sjgren)

Barium-Anorthite (of Sjögren)

Germanate-celsian

English

Kasoite

CNMNC symbol

Symbol

Cls

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Цельзиан

Mineral Dealer

German pages

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

Locations with GPS information