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

Cebollite

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 5
Solubility +++ HCl

Chemism

Chem­ical formula

Ca5Al2(SiO4)3(OH)4

Chem­ical com­po­si­tion

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 598.6343344 u; Number of atoms in the formula: 30

Info

Empirical formula:

Ca5Al2(SiO4)3(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.67

4

13.33

1.0079470

4.0317880

Oxygen

O

42.76

16

53.33

15.9994300

255.9908800

Aluminium

Al

9.01

2

6.67

26.9815382

53.9630764

Silicon

Si

14.07

3

10.00

28.0855300

84.2565900

Calcium

Ca

33.47

5

16.67

40.0784000

200.3920000

Anal­y­sis wt%

CaO : 46.84, Al2O3 : 17.03, SiO2 : 30.11, H2O : 6.02 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

9.BB.10

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
B: Si2O7 Gruppen, ohne nicht-tetrahedrale Anionen; Kationen in tetrahedraler [4] und größerer Koordination
10:

Lapis Clas­sifica­tion

VIII/B.23-030

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
23: Kationen mit Koordinationszahlen zwischen [8] und [12]

Clas­sifica­tion by Hölzel

9.AI.440

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
4: C small + large without REE's

IMA sta­tus

Status fragwürdig

Optical Properties

Color

farblos

Streak color

weiß

max. Birefrin­gence

0.033

Birefringence chart\! Cebollite title=Birefringence chart Cebollite

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

1.595

RI value β

1.60

RI value γ / ε

1.628

Ri mean

1.608

2V angle

Biaxial (+) 58°

Crystallography

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

X-Ray Pow­der Diffrac­tion

3.29(80),
3.08(90),
2.90(100),
2.73(50),
2.58(50),
2.28(60),
1.753(70),
1.464(60)

XRD chart Cebollite

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

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.96 (gemessen)

Insta­bil­ity

+++ HCl

Preface

Author (Name, Year)

Larsen & Schaller, 1914

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 120

Other languages

German

Cebollit

Spanish

Cebollita

English

Cebollite

French

Cebollite

CNMNC symbol

Symbol

Cbl

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

German pages

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

English pages

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

Mineral Dealer

German pages

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

Locations with GPS information