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Pyrrhotite-6C

Additional Functions

Collectors Summary

Crystal System monoklin, Fd

Chemism

Chemical formula

Fe11S12

Empirical formula (analysis)

Fe10.91Ni0.05S12

Chemical composition

Eisen, Schwefel

Unit weight: 996.991803 u; Number of atoms in the formula: 22.96

Info

Empirical formula:

Fe10.91Ni0.05S12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

38.59

12

52.26

32.0655000

384.7860000

Iron

Fe

61.11

10.91

47.52

55.8452000

609.2711320

Nickel

Ni

0.29

0.05

0.22

58.6934200

2.9346710

Mineral status

Polytype

Variety / polytype of

Pyrrhotite

Optical Properties

max. Birefringence

0.023

Birefringence chart\! Pyrrhotite-6C title=Birefringence chart Pyrrhotite-6C

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.

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

9

Space Group

Fd

Cell parameters a (Å)

6.897(2)

Cell parameters b (Å)

11.954(3)

Cell parameters c (Å)

34.521(7)

Cell parameters a/b or c/a

0.577

Cell parameters c/b

2.888

Cell parameters α

90°

Cell parameters β

90.003(4)°

Cell parameters γ

90°

Z

8

Volumne (ų)

2846.144

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

4.663 (berechnet)

4.653 ( ρ calc. Mineralienatlas )

Other languages

German

Pyrrhotin-6C

English

Pyrrhotite-6C