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Okanoganite-(Y)

Pictures (6 Images total)

Okanoganit-(Y)
Views (File:
1167318892
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Okanoganit-(Y)
Bildbreite: 5 mm; Fundort: Washington Pass, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Okanoganite-(Y)
Image: 1167318892
Rating: 7.67 (votes: 3)
License: Usage for Mineralienatlas project only
Okanoganit-(Y)

Bildbreite: 5 mm; Fundort: Washington Pass, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-28
Locality: Washington Pass / Okanogan Co. / Washington / USA
Okanoganit-(Y)
Views (File:
1269099856
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Okanoganit-(Y)
Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Okanoganite-(Y)
Image: 1269099856
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Okanoganit-(Y)

Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2010-03-20
Locality: Washington Pass / Okanogan Co. / Washington / USA
Okanoganit-(Y)
Views (File:
1269099818
): 835
Okanoganit-(Y)
Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Okanoganite-(Y)
Image: 1269099818
License: Usage for Mineralienatlas project only
Okanoganit-(Y)

Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2010-03-20
Locality: Washington Pass / Okanogan Co. / Washington / USA
Okanoganit-(Y)
Views (File:
1269270076
): 893
Okanoganit-(Y)
Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Okanoganite-(Y)
Image: 1269270076
License: Usage for Mineralienatlas project only
Okanoganit-(Y)

Bildbreite: 2,5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2010-03-22
Locality: Washington Pass / Okanogan Co. / Washington / USA
Okanoganit-(Y)
Views (File:
1269270117
): 1001
Okanoganit-(Y)
Bildbreite: 5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Okanoganite-(Y)
Image: 1269270117
License: Usage for Mineralienatlas project only
Okanoganit-(Y)

Bildbreite: 5 mm; Fundort: Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2010-03-22
Locality: Washington Pass / Okanogan Co. / Washington / USA

Collectors Summary

Color blassrosa
Streak color weiß
Hardness (Mohs) 4
Crystal System trigonal, R3m

Chemism

Chemical formula

(Na,Ca)3(Y,Ce)12Si6B2O27F14

Chemical composition

Calcium, Cerium, Natrium, Silicium, Yttrium, Bor, Fluor, Sauerstoff

Unit weight: 2190.38558645 u; Number of atoms in the formula: 64

Info

Empirical formula:

(Na0.75Ca0.25)3(Y0.75Ce0.25)12Si6B2O27F14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Boron

B

0.99

2

3.13

10.8117000

21.6234000
Oxygen

O

19.72

27

42.19

15.9994300

431.9846100
Fluorine

F

12.14

14

21.88

18.9984033

265.9776455
Sodium

Na

2.36

2.25

3.52

22.9897702

51.7269830
Silicon

Si

7.69

6

9.38

28.0855300

168.5131800
Calcium

Ca

1.37

0.75

1.17

40.0784000

30.0588000
Yttrium

Y

36.53

9

14.06

88.9058520

800.1526680
Cerium

Ce

19.19

3

4.69

140.1161000

420.3483000

Analysis wt%

Na2O : 2.74, CaO : 3.24, PbO : 0.63, FeO : 1.60, Y2O3 : 20.46, La2O3 : 5.88, Ce2O3 : 15.42, Pr2O3 : 1.83, Nd2O3 : 7.70, Sm2O3 : 1.64, Gd2O3 : 5.28, Tb2O3 : 0.44, Dy2O3 : 2.08, Ho2O3 : 0.96, Er2O3 : 1.26, Yb2O3 : 0.79, Lu2O3 : 0.81, B2O3 : 3.10, TiO2 : 0.50, SiO2 : 14.35, F : 11.16, Ln2O3 : 64.75 (Ref: American Mineralogist 80)

Strunz 9th edition incl. updates

9.AJ.35

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
J: Insel(Neso)silikate mit BO3 Triangeln und /oder B[4], Be[4] Tetraedern, eckenteilend mit SiO4
35:Vicanit-Gruppe

Lapis Classification

VIII/B.33-020

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
33: Kationen mit Koordinationszahlen zwischen [8] und [12]; Beryllium- und Bor-Inselsilikate

Classification by Hölzel

9.AK.540

9: SILICATES
A: Nesosilicates
K: Boro and Beryllo Nesosilicates
5: C large

Dana 8th edition

54.02.04.03

54: Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates
02: Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with B in [4] coordination
04: Howlite and related species

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blassrosa

Streak color

weiß

max. Birefringence

0.013
Birefringence chart\! Okanoganite-(Y) title=Birefringence chart Okanoganite-(Y)

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

1.753

RI value γ / ε

1.740

Ri mean

1.749

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

10.711

Cell parameters b (Å)

-

Cell parameters c (Å)

27.040

Cell parameters a/b or c/a

2.525

Cell parameters c/b

-

Z

3

Volume (ų)

2686.565

X-Ray Powder Diffraction

4.35(40),
3.11(50),
2.970(100),
2.939(90),
2.926(50),
2.676(30),
1.978(30),
1.784(40)
XRD chart Okanoganite-(Y)

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)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.35 (gemessen)

4.061 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

USA/Washington/Okanogan Co./Washington Pass/Golden Horn Batholith

Preface

Author (Name, Year)

Boggs, 1980

References

American Mineralogist 65 (1980), 1138

Other languages

German

Okanoganit-(Y)

Spanish

Okanoganita-(Y)

French

Okanoganite-(Y)

English

Okanoganite-(Y)

Russian

Оканоганит-(Y)

CNMNC (IMA)-Number

IMA 1979-048

CNMNC symbol

Symbol

Oka-Y

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 4ebyRxOjx0ynnpNGz381uQ
GUID (Global unique identifier) 47F2E6E1-A313-4CC7-A79E-9346CF7F35B9
Database ID 2808