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Chrysoberyl

Pictures (109 Images total)

Chrysoberyll
Views (File:
1287574563
): 8559, Rating: 9.73
Chrysoberyll
Größe: 7,33 mm; Fundort: Governador Valadares, Doce-Tal, Minas Gerais, Brasilien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Governador Valadares
Mineral: Chrysoberyl
Image: 1287574563
Rating: 9.73 (votes: 11)
License: Usage for Mineralienatlas project only
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 (File:
1425843707
): 3799
Chrysoberyl
Large and perfect quality, finished all around, Chrysoberyl specimen, from Colatina, Espírito Santo, Brazil; Size 55 х 44 х 40 mm
Copyright: pegmatite; Contribution: pegmatite
Collection: pegmatite
Location: Brasilien/Südosten (Região Sudeste)/Espirito Santo/Colatina
Mineral: Chrysoberyl
Image: 1425843707
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
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 (File:
1204372216
): 9080, Rating: 9.2
Chrysoberylldrilling
Fundstelle: Ratnapura, Sri Lanka, Kristallgröße 8 mm.
Copyright: Heinz Dieter Müller (Dieter1); Contribution: Dieter1
Collection: Heinz Dieter Müller (Dieter1)
Location: Sri Lanka/Sabaragamuwa, Provinz/Rathnapura (Ratnapura), Distrikt
Mineral: Chrysoberyl
Encyclopedia: Sri Lanka
Image: 1204372216
Rating: 9.2 (votes: 10)
License: Usage for Mineralienatlas project only
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
Chrysoberyllzwilling
Views (File:
1204284280
): 10657, Rating: 9
Chrysoberyllzwilling
Fundort: Ratnapura, Sri Lanka, Größe 6 mm
Copyright: Heinz Dieter Müller (Dieter1); Contribution: Dieter1
Collection: Heinz Dieter Müller (Dieter1)
Location: Sri Lanka/Sabaragamuwa, Provinz/Rathnapura (Ratnapura), Distrikt
Mineral: Chrysoberyl
Encyclopedia: Sri Lanka
Image: 1204284280
Rating: 9 (votes: 7)
License: Usage for Mineralienatlas project only
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 (File:
1204279918
): 5172
Chrysoberyll
Chrysoberyll-Zwillingskristall, Größe 6 mm, Fundort:Ratnapura.
Copyright: Heinz Dieter Müller (Dieter1); Contribution: Dieter1
Collection: Heinz Dieter Müller (Dieter1)
Location: Sri Lanka/Sabaragamuwa, Provinz/Rathnapura (Ratnapura), Distrikt
Mineral: Chrysoberyl
Encyclopedia: Sri Lanka
Image: 1204279918
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
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

You find additional specimen at the Geolitho Museum

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

Volume (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!

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais/Araçuaí (Arassuaí)

Preface

Associations

Schörl

Author (Name, Year)

Werner, 1789

References

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

Varieties

Alexandrite

Other languages

Lithuanian

Chrizoberilas

French

Chrysoberyl

English

Chrysoberyl

German

Chrysoberyll

Polish

Chryzoberyl

Italian

Crisoberillo

Spanish

Crisoberilo

Hungarian

Krizoberill

Finnish

Krysoberylli

Estonian

Krüsoberüll

Serbian (Cyrillic Script)

Берилијум алуминат

Russian

Хризоберилл

Russian

Цимофан

Hebrew

כריזובריל

Thai

อะเลกซานไดรต์

Japanese

クリソベリル

Japanese

金緑石

Simplified Chinese

金绿宝石

Korean

금록석

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

Locations with GPS information

IDs

GUSID (Global unique identifier short form) cgpEYpDVXkqullPeOmSMsw
GUID (Global unique identifier) 62440A72-D590-4A5E-AE96-53DE3A648CB3
Database ID 750