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Belovite-(La)

Pictures (2 Images total)

Belovit-(La)
Views (File:
1512657196
): 965
Belovit-(La)
Jakutien, ferner Osten, Rußland. Bildbreite 1,3 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl, Collection number: B086aa
Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik
Mineral: Belovite-(La)
Image: 1512657196
License: Usage for Mineralienatlas project only
Belovit-(La) (SNr: B086aa)

Jakutien, ferner Osten, Rußland. Bildbreite 1,3 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2017-12-07
Locality: Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland
Belovit-(La)
Views (File:
1512657440
): 381
Belovit-(La)
Jakutien. ferner Osten, Rußland. Bildbreite 1,4 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl, Collection number: B086ab
Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik
Mineral: Belovite-(La)
Image: 1512657440
License: Usage for Mineralienatlas project only
Belovit-(La) (SNr: B086ab)

Jakutien. ferner Osten, Rußland. Bildbreite 1,4 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2017-12-07
Locality: Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color gelb, grünlichgelb
Streak color weiß
Hardness (Mohs) 5.25
Cleavages keine
Fracture muschelig
Crystal System trigonal, P3

Chemism

Chemical formula

NaSr3(La,Ce)(PO4)3(F,OH)

Chemical composition

Cerium, Lanthanum, Natrium, Strontium, Fluor, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 728.4760254875 u; Number of atoms in the formula: 21.25

Info

Empirical formula:

NaSr3(La0.75Ce0.25)(PO4)3(F0.75(OH)0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.03

0.25

1.18

1.0079470

0.2519868

Oxygen

O

26.90

12.25

57.65

15.9994300

195.9930175

Fluorine

F

1.96

0.75

3.53

18.9984033

14.2488024

Sodium

Na

3.16

1

4.71

22.9897702

22.9897702

Phosphorus

P

12.76

3

14.12

30.9737612

92.9212836

Strontium

Sr

36.08

3

14.12

87.6210000

262.8630000

Lanthanum

La

14.30

0.75

3.53

138.9055200

104.1791400

Cerium

Ce

4.81

0.25

1.18

140.1161000

35.0290250

Analysis wt%

Na2O : 4.09, CaO : 0.50, SrO : 40.09, BaO : 2.35, La2O3 : 13.08, Ce2O3 : 8.15, ThO2 : 0.43, P2O5 : 28.30, F : 2.04, Ln2O3 : 21.88 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 96)

Strunz 9th edition incl. updates

8.BN.05

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
N: Mit ausschließlich [Kationen] (OH, etc.):RO4 = 0.33:1
05:Apatit-Gruppe

Lapis Classification

VII/B.39-115

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
39: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb; Apatit-Gruppe

Classification by Hölzel

8.BO.703

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
O: Apatite Supergroup
7: Belovites with REE's

Dana 8th edition

41.08.01.06a

41: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
08: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen where (A)5 (XO4)3 Zq
01: Apatite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Apatite Supergroup  ⇒ Belovite group

Optical Properties

Color

gelb, grünlichgelb

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.018

Birefringence chart\! Belovite-(La) title=Birefringence chart Belovite-(La)

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

1.653

RI value γ / ε

1.635

Ri mean

1.647

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

147

Space Group

P3

Cell parameters a (Å)

9.647

Cell parameters b (Å)

-

Cell parameters c (Å)

7.170

Cell parameters a/b or c/a

0.743

Cell parameters c/b

-

Z

2

Volume (ų)

577.876

X-Ray Powder Diffraction

5.46(30),
3.59(90),
3.30(60),
2.897(100),
2.884(100),
2.790(50),
1.910(40),
1.796(40)

XRD chart Belovite-(La)

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)

5.25

VHN (Hardness Vickers)

450 (30g)

Density (g/cm³)

4.19

4.186 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

muschelig

Tenacity

sehr spröde

Preface

Author (Name, Year)

Pekov & Kulikova & Kabalov & Eletskaya & Chukanov & Menshikov & Khomya

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 125 (1996) (3), 101

IMA group assignments

Other languages

German

Belovit-(La)

Spanish

Belovita-(La)

English

Belovite-(La)

French

Belovite-(La)

Russian

Беловит-(La)

CNMNC (IMA)-Number

IMA 1995-023

CNMNC symbol

Symbol

Blv-La

Locations with GPS information

IDs

GUSID (Global unique identifier short form) XYFOBSEm8UWJH1mBQAaNGA
GUID (Global unique identifier) 054E815D-2621-45F1-891F-598140068D18
Database ID 348