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Ximengite

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 4
Crystal System trigonal, P3121

Chemism

Chemical formula

Bi(PO4)

Chemical composition

Bismut, Phosphor, Sauerstoff

Unit weight: 303.9518632 u; Number of atoms in the formula: 6

Info

Empirical formula:

Bi(PO4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

21.06

4

66.67

15.9994300

63.9977200

Phosphorus

P

10.19

1

16.67

30.9737612

30.9737612

Bismuth

Bi

68.75

1

16.67

208.9803820

208.9803820

Analysis wt%

Bi2O3 : 76.34, P2O5 : 22.92, H2O : 0.76 (Ref: Chin.J.Geochem.89)

Strunz 9th edition incl. updates

8.AD.45

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
D: Mit ausschließlich großen [Kationen]
45:Ximengit-Gruppe

Lapis Classification

VII/A.18-030

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen

Classification by Hölzel

8.AE.920

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
E: Xenotime-Group

Dana 8th edition

38.04.09.01

38: Anhydrous Phosphates, etc
04: Anhydrous Phosphates, etc A+ XO4

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

RI value α / ω / n

1.77>

2V angle

Uniaxial

Crystallography

Crystal System

trigonal

Class (H-M)

32

Space Group number

152

Space Group

P3121

Cell parameters a (Å)

6.986

Cell parameters b (Å)

-

Cell parameters c (Å)

6.475

Cell parameters a/b or c/a

0.927

Cell parameters c/b

-

Z

3

Volume (ų)

273.67

X-Ray Powder Diffraction

6.052(70),
4.420(90),
3.493(90),
3.024(100),
2.854(60),
2.157(50),
1.868(40),
1.747(50)

XRD chart Ximengite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

281

Density (g/cm³)

5.534 (berechnet)

5.533 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Shi Jiaxin, 1989

References

Acta Mineralogica Sinica 9 (1989), 15

Other languages

German

Ximengit

Spanish

Ximengita

English

Ximengite

French

Ximengite

Russian

Сименгит

Alternative Name

French

Xingsaoite

CNMNC (IMA)-Number

IMA 1985-004

CNMNC symbol

Symbol

Xim

Locations with GPS information

IDs

GUSID (Global unique identifier short form) uyypFXRV_U20wys_R0OwLw
GUID (Global unique identifier) 15A92CBB-5574-4DFD-B4C3-2B3F4743B02F
Database ID 4214