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Chrysoberyl

Pictures (102 Images total)

Chrysoberyll
Views (Image: 1287574563): 7842, Rating: 9.73
Chrysoberyll

Größe: 7,33 mm; Fundort: Governador Valadares, Doce-Tal, Minas Gerais, Brasilien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-10-20
Locality: Governador Valadares / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Chrysoberyl
Views (Image: 1425843707): 2842
Chrysoberyl

Large and perfect quality, finished all around, Chrysoberyl specimen, from Colatina, Espírito Santo, Brazil; Size 55 х 44 х 40 mm

Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2015-03-08
Locality: Colatina / Espirito Santo / Südosten (Região Sudeste) / Brasilien
Chrysoberylldrilling
Views (Image: 1204372216): 7134, Rating: 9.2
Chrysoberylldrilling

Fundstelle: Ratnapura, Sri Lanka, Kristallgröße 8 mm.

Collection: Heinz Dieter Müller (Dieter1)
Copyright: Heinz Dieter Müller (Dieter1)
Contribution: Dieter1 2008-03-01
Locality: Rathnapura (Ratnapura), Distrikt / Sabaragamuwa, Provinz / Sri Lanka
Chrysoberyll-Penetrationszwilling
Views (Image: 1204372902): 7309, Rating: 8.6
Chrysoberyll-Penetrationszwilling

Fundstelle: Ratnapura, Sri Lanka, Kristallgröße 8 mm.

Collection: Heinz Dieter Müller (Dieter1)
Copyright: Heinz Dieter Müller (Dieter1)
Contribution: Dieter1 2008-03-01
Locality: Rathnapura (Ratnapura), Distrikt / Sabaragamuwa, Provinz / Sri Lanka
Chrysoberyllzwilling
Views (Image: 1204284280): 10115, Rating: 9
Chrysoberyllzwilling

Fundort: Ratnapura, Sri Lanka, Größe 6 mm

Collection: Heinz Dieter Müller (Dieter1)
Copyright: Heinz Dieter Müller (Dieter1)
Contribution: Dieter1 2008-02-29
Locality: Rathnapura (Ratnapura), Distrikt / Sabaragamuwa, Provinz / Sri Lanka
Chrysoberyll
Views (Image: 1204279918): 4951
Chrysoberyll

Chrysoberyll-Zwillingskristall, Größe 6 mm, Fundort:Ratnapura.

Collection: Heinz Dieter Müller (Dieter1)
Copyright: Heinz Dieter Müller (Dieter1)
Contribution: Dieter1 2008-02-29
Locality: Rathnapura (Ratnapura), Distrikt / Sabaragamuwa, Provinz / Sri Lanka

Collectors Summary

Color grün, blau
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 8.5
Solubility +++ Schmelzen mit KOH, KHSO4, Borax, P-salz, - Säuren, HF, Ultraschallbad!
Crystal System orthorhombisch, Pbnm

Chemism

Chem­ical formula

BeAl2O4

Chem­ical com­po­si­tion

Aluminium, Beryllium, Sauerstoff

Unit weight: 126.9729787 u; Number of atoms in the formula: 7

Info

Empirical formula:

BeAl2O4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Beryllium

Be

7.10

1

14.29

9.0121823

9.0121823

Oxygen

O

50.40

4

57.14

15.9994300

63.9977200

Aluminium

Al

42.50

2

28.57

26.9815382

53.9630764

Anal­y­sis wt%

BeO : 19.15, FeO : 3.60, Al2O3 : 76.34, TiO2 : 0.55 (Ref: American Mineralogist 39)

Strunz 9th edi­tion incl. updates

4.BA.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
B: Metall: Sauerstoff = 3:4 und vergleichbare
A: Mit kleinen und mittelgroßen [Kationen]
05:Chrysoberyll-Gruppe

Lapis Clas­sifica­tion

IV/B.07-010

IV: OXIDE
B: Oxide mit Verhältnis Metall zu Sauerstoff = 3:4 (Spinelltyp M3O4 und verwandte Verbindungen)

Clas­sifica­tion by Hölzel

4.BG.100

4: OXIDES
B: Spinels R3O4
G: Chrysoberyl-Group

Dana 8th edi­tion

07.02.09.01

07: Multiple Oxides
02: Multiple Oxides (A+ B++)2 X4 Spinel group

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grün, blau

Streak color

weiß

Lus­tre

Glasglanz

max. Birefrin­gence

0.010

Birefringence chart\! Chrysoberyl title=Birefringence chart Chrysoberyl

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

1.746

RI value β

1.748

RI value γ / ε

1.756

Ri mean

1.750

2V angle

Biaxial (+) 70°

Optical Data Luminescence

Color LW-UV (365nm)

 

rot

LW-UV Intensity

sehr schwach

Color SW-UV (254nm)

 

rot

SW-UV Intensity

sehr schwach

SW-UV Other Col­ors

 

grünlich gelb

Most Common Acti­vator

Cr3+

Other Acti­vators

V2+

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pbnm

Cell param­e­ters a (Å)

5.49

Cell param­e­ters b (Å)

9.42

Cell param­e­ters c (Å)

4.43

Cell param­e­ters a/b or c/a

0.583

Cell param­e­ters c/b

0.470

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

229.101

X-Ray Pow­der Diffrac­tion

3.234(40),
2.561(60),
2.262(40),
2.088(80),
1.617(100),
1.613(90),
1.464(40),
1.361(60)

XRD chart Chrysoberyl

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)

8.5

VHN (Hard­ness Vick­ers)

1800 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.75 (gemessen)

3.681 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Schmelzen mit KOH, KHSO4, Borax, P-salz, - Säuren, HF, Ultraschallbad!

Preface

Asso­cia­tions

Schörl

Author (Name, Year)

Werner, 1789

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 123

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

Mariinskite

BeCr2O4

orthorhombisch : mmm : Pnma

4.BA.05

Chrysoberyl

BeAl2O4

orthorhombisch : mmm : Pbnm

4.BA.05

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

Chrysoberyl

BeAl2O4

orthorhombisch : mmm : Pbnm

IV/B.07-010

Mariinskite

BeCr2O4

orthorhombisch : mmm : Pnma

IV/B.07-015

'Magnesiotaaffeit'

IV/B.07-020

Ferrotaaffeite-6N'3S

(Fe2+,Zn,Mg)2Al6BeO12

trigonal : 3m : R3m

IV/B.07-040

Swedenborgite

NaBe4SbO7

hexagonal : 6mm : P63mc

IV/B.07-050

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

Chrysoberyl

BeAl2O4

orthorhombisch : mmm : Pbnm

4.BG.100

Mariinskite

BeCr2O4

orthorhombisch : mmm : Pnma

4.BG.110

Swedenborgite

NaBe4SbO7

hexagonal : 6mm : P63mc

4.BG.160

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

Spinel

MgAl2O4

kubisch : m3m : Fd3m

07.02.01.01

Galaxite

(Mn,Fe2+,Mg)(Al,Fe3+)2O4

kubisch : m3m : Fd3m

07.02.01.02

Hercynite

Fe2+Al2O4

kubisch : m3m : Fd3m

07.02.01.03

Gahnite

ZnAl2O4

kubisch : m3m : Fd3m

07.02.01.04

Magnesioferrite

MgFe23+O4

kubisch : m3m : Fd3m

07.02.02.01

Jacobsite

(Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

07.02.02.02

Magnetite

Fe2+Fe23+O4

kubisch : m3m : Fd3m

07.02.02.03

Franklinite

(Zn,Mn2+,Fe2+)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

07.02.02.04

Trevorite

NiFe23+O4

kubisch : m3m : Fd3m

07.02.02.05

Cuprospinel

(Cu,Mg)Fe23+O4

kubisch : m3m : Fd3m

07.02.02.06

Brunogeierite

(Fe2+)2Ge4+O4

kubisch : m3m : Fd3m

07.02.02.07

Magnesiochromite

MgCr2O4

kubisch : m3m : Fd3m

07.02.03.01

Manganochromite

(Mn,Fe2+)(Cr,V)2O4

kubisch : m3m : Fd3m

07.02.03.02

Chromite

Fe2+Cr2O4

kubisch : m3m : Fd3m

07.02.03.03

Cochromite

(Co,Ni,Fe2+)(Cr,Al)2O4

kubisch : m3m : Fd3m

07.02.03.05

Zincochromite

ZnCr2O4

kubisch : m3m : Fd3m

07.02.03.06

Vuorelainenite

(Mn2+,Fe2+)(V3+,Cr3+)2O4

kubisch : m3m : Fd3m

07.02.04.01

Coulsonite

Fe2+V23+O4

kubisch : m3m : Fd3m

07.02.04.02

Magnesiocoulsonite

MgV23+O4

kubisch : m3m : Fd3m

07.02.04.03

Qandilite

(Mg,Fe2+)2(Ti,Fe3+,Al)O4

kubisch : m3m : Fd3m

07.02.05.01

Ulvöspinel

TiFe22+O4

kubisch : m3m : Fd3m

07.02.05.02

Kusachiite

CuBi2O4

tetragonal : 4/mmm : P4/ncc

07.02.06.01

Iwakiite

Mn2+(Fe3+,Mn3+)2O4

tetragonal : 4/mmm : I41/amd

07.02.06.02

Hausmannite

Mn2+Mn23+O4

tetragonal : 4/mmm : I41/amd

07.02.07.01

Hetaerolite

ZnMn23+O4

tetragonal : 4/mmm : I41/amd

07.02.07.02

'Hydrohetaerolite'

HZnMn3+1.7O4

tetragonal : 4/mmm : I41/amd

07.02.07.03

Minium

Pb2+2Pb4+O4

tetragonal : 4/mmm : P42/mbc

07.02.08.01

Chrysoberyl

BeAl2O4

orthorhombisch : mmm : Pbnm

07.02.09.01

Varieties

Alexandrite

Alternative Name

Aluminate of Glucina

Alumoberyl

Cat's Eye Chrysoberyl

Chrysberil

Chrysoberil

Chrysopal (of Delamétherie)

English

Cymophane

German

Cymophanit

Spanish

Cymophanita

Cymophanite

Krisoberil

Krysoberril

Oriental Chrysolite

Pacific Cat's Eye

金綠玉

CNMNC symbol

Symbol

Cbrl

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Хризоберилл

Mineral Dealer

German pages

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

Locations with GPS information