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Bussyite-(Ce)

Pictures (2 Images total)

Bussyit-(Ce)
Views (File:
1292362984
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Bussyit-(Ce)
Kristallgröße: 4 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: David K. Joyce; Contribution: slugslayer
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Bussyite-(Ce)
Image: 1292362984
Rating: 5.5 (votes: 2)
License: Usage for Mineralienatlas project only
Bussyit-(Ce)

Kristallgröße: 4 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: David K. Joyce
Contribution: slugslayer 2010-12-14
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada
Bussyit-(Ce)
Views (File:
1303424971
): 583
Bussyit-(Ce)
Kristallgröße: 2 mm, Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith; Contribution: thdun5
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Bussyite-(Ce)
Image: 1303424971
License: Usage for Mineralienatlas project only
Bussyit-(Ce)

Kristallgröße: 2 mm, Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Jason B. Smith
Contribution: thdun5 2011-04-21
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada

Collectors Summary

Color blass-rosa-orange
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4
Cleavages vollkommen (101)
Fracture splittrig
Crystal System monoklin, C2/c

Chemism

Chemical formula

(Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4

Empirical formula (analysis)

4{(Ce0.823Nd0.373 Y0.242Th0.173Pr0.103Sm0.079Gd0.078Eu0.008)(Ca0.775La0.225)[Na3.000(H2O)Ca0.544K0.015](Mn0.485Na0.402 Mg0.012)(Si8.897Be4.605Al0.222)O30[F2.67(OH)1.33]}

Additional chem. information

VIII/G.3-05

Chemical composition

Beryllium, Cerium, Mangan, Natrium, Silicium, Fluor, Sauerstoff, Wasserstoff, REE

Unit weight: 1329.2127833313 u; Number of atoms in the formula: 59.391

Info

Empirical formula:

4{(Ce0.823Nd0.373Y0.242Th0.173Pr0.103Sm0.079Gd0.078Eu0.008)(Ca0.775La0.225)[Na3.000(H2O)Ca0.544K0.015](Mn0.485Na0.402Mg0.012)(Si8.897Be4.605Al0.222)O30[F2.67(OH)1.33]}

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.25

3.33

5.61

1.0079470

3.3564635

Beryllium

Be

3.12

4.61

7.75

9.0121823

41.5010995

Oxygen

O

38.91

32.33

54.44

15.9994300

517.2615719

Fluorine

F

3.82

2.67

4.50

18.9984033

50.7257367

Sodium

Na

5.88

3.4

5.73

22.9897702

78.2111982

Magnesium

Mg

0.02

0.01

0.02

24.3050600

0.2916607

Aluminium

Al

0.45

0.22

0.37

26.9815382

5.9899015

Silicon

Si

18.80

8.9

14.98

28.0855300

249.8769604

Potassium

K

0.04

0.02

0.03

39.0983100

0.5864747

Calcium

Ca

3.98

1.32

2.22

40.0784000

52.8634096

Manganese

Mn

2.00

0.49

0.82

54.9380499

26.6449542

Yttrium

Y

1.62

0.24

0.41

88.9058520

21.5152162

Lanthanum

La

2.35

0.23

0.38

138.9055200

31.2537420

Cerium

Ce

8.68

0.82

1.39

140.1161000

115.3155503

Praseodymium

Pr

1.09

0.1

0.17

140.9076520

14.5134882

Neodymium

Nd

4.05

0.37

0.63

144.2430000

53.8026390

Samarium

Sm

0.89

0.08

0.13

150.3630000

11.8786770

Europium

Eu

0.09

0.01

0.01

151.9641000

1.2157128

Gadolinium

Gd

0.92

0.08

0.13

157.2530000

12.2657340

Thorium

Th

3.02

0.17

0.29

232.0381100

40.1425930

Analysis wt%

SiO2 : 38.66, Al2O3 : 0.82, BeO : 8.33, MnO : 2.49, ThO2 : 3.31, Y2O3 : 1.97, La2O3 : 2.65, Ce2O3 : 9.77, Pr2O3 : 1.27, Nd2O3 : 4.54, Sm2O3 : 0.99, Gd2O3 : 1.03, CaO : 5.35, Na2O : 7.63, F : 3.67, H2O : 4.12, Ln2O3 : 22.32 (Ref: Canadian Mineralogist 2007)

Strunz 9th edition incl. updates

9.

9: Silikate (Germanate)

Lapis Classification

VIII/G.03-005

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten

Classification by Hölzel

9.BP.250

9: SILICATES
B: Sorosilicates
P: Si3O10-Group

Mineral status

anerkanntes Mineral

Optical Properties

Color

blass-rosa-orange

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend bis transparent

Lustre

Glasglanz

max. Birefringence

0.023

Birefringence chart\! Bussyite-(Ce) title=Birefringence chart Bussyite-(Ce)

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

1.574

RI value β

1.591

RI value γ / ε

1.597

Ri mean

1.587

2V angle

Biaxial (+) 63°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

11.654

Cell parameters b (Å)

13.916

Cell parameters c (Å)

16.583

Cell parameters a/b or c/a

0.837

Cell parameters c/b

1.192

Cell parameters α

90°

Cell parameters β

95.87

Cell parameters γ

90°

Z

4

Volume (ų)

2675.28

X-Ray Powder Diffraction

8.120(100), 3.543(39), 3.454(21), 3.176(19), 2.959(24), 2.863(48), 2.749(23), 2.668(33)

XRD chart Bussyite-(Ce)

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)

3.11 (berechnet) 3.00 (gemessen)

3.3 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (101)

Fracture

splittrig

Tenacity

spröde

Preface

Name from

Antoine-Alexander Brutus de Bussy

Author (Name, Year)

Joel D. Grice, 2007

References

IMA WEB Seite - Veröffentlichungen - Dez. 2007

Mineralien Welt 04/10, Steffen Jahn, Neue Mineralien

Canadian Mineralogist 47 (2009), 193

Other languages

German

Bussyit-(Ce)

Spanish

Bussyita-(Ce)

English

Bussyite-(Ce)

Russian

Буссиит-(Ce)

CNMNC (IMA)-Number

IMA 2007-039

CNMNC symbol

Symbol

Bsy-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) bTdqfcOyMkK3S31Durho_Q
GUID (Global unique identifier) 7D6A376D-B2C3-4232-B74B-7D43BAB868FD
Database ID 4848