https://www.mineraliengrosshandel.com
https://weloveminerals.com/
https://www.mineral-bosse.de
https://www.mineralbox.biz
https://www.edelsteine-neuburg.de
'._('einklappen').'
 

Clinoferrosilite

Pictures (1 Images total)

Klinoferrosilit
Views (File:
1712739597
): 43
Klinoferrosilit
Braune, prismatische Klinoferrosilitkristalle aus dem Steinbruch Caspar am Bellerberg in der Eifel. Bildbreite etwa 3 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: E-BB-KlFeSi-3-1-1
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Clinoferrosilite
Image: 1712739597
License: Usage for Mineralienatlas project only
Klinoferrosilit (SNr: E-BB-KlFeSi-3-1-1)

Braune, prismatische Klinoferrosilitkristalle aus dem Steinbruch Caspar am Bellerberg in der Eifel. Bildbreite etwa 3 mm.
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2024-04-10
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

Collectors Summary

Color braun, farblos, grün
Streak color weiß
Hardness (Mohs) 5.5
Cleavages {110} deutlich
Crystal System monoklin, P21/c

Chemism

Chemical formula

Fe2+2Si2O6

Chemical composition

Eisen, Silicium, Sauerstoff

Unit weight: 263.85804 u; Number of atoms in the formula: 10

Info

Empirical formula:

Fe2Si2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

36.38

6

60.00

15.9994300

95.9965800
Silicon

Si

21.29

2

20.00

28.0855300

56.1710600
Iron

Fe

42.33

2

20.00

55.8452000

111.6904000

Analysis wt%

FeO : 54.46, SiO2 : 45.54 (Ref: berechnet)

Strunz 9th edition incl. updates

9.DA.10

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
A: Ketten- und Bandsilikate mit 2 periodischen Ketten SiO6; Pyroxen-Familie
10:Mg,Fe,Mn Klinopyroxene; Klinoenstatit-Gruppe

Lapis Classification

VIII/F.01-020

VIII: SILIKATE
F: Ketten- und Bandsilikate
1: Zweierketten [Si2O6] 4-; Pyroxen-Gruppe; Klinopyroxene

Classification by Hölzel

9.DA.200

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
A: Klinoenstatite-Group

Dana 8th edition

65.01.01.02

65: Inosilicate Minerals
01: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=2
01: P2/c clinopyroxenes

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Pyroxene group  ⇒ Clinopyroxene group

Optical Properties

Color

braun, farblos, grün

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.028
Birefringence chart\! Clinoferrosilite title=Birefringence chart Clinoferrosilite

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

1.764

RI value β

1.767

RI value γ / ε

1.792

Ri mean

1.774

2V angle

Biaxial (+) 25°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

9.718

Cell parameters b (Å)

9.088

Cell parameters c (Å)

5.239

Cell parameters a/b or c/a

1.069

Cell parameters c/b

0.576

Cell parameters α

90°

Cell parameters β

108.45

Cell parameters γ

90°

Z

4

Volume (ų)

438.911

X-Ray Powder Diffraction

6.47(50),
4.605(60),
3.234(40),
3.035(100),
2.909(60),
2.603(60),
2.480(50),
2.161(50)
XRD chart Clinoferrosilite

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)

5.5

Density (g/cm³)

4.068

3.993 ( ρ calc. Mineralienatlas )

Cleavages

{110} deutlich

(Co-)Type locality

(Co-)Type locality

USA/Wyoming/Park Co./Yellowstone National Park/Obsidian Cliff

Preface

Author (Name, Year)

Bowen, 1935

References

Rock-forming Minerals (Deer, Howie & Zussmann), 2nd ed., 2A (1978), 30

IMA group assignments

Other languages

Spanish

Clinoferrosilita

French

Clinoferrosilite

English

Clinoferrosilite

German

Klinoferrosilit

Russian

Клиноферросилит

Simplified Chinese

斜铁辉石

Alternative Name

English

Clinoeulite

German

Clinoferrosilit

CNMNC symbol

Symbol

Cfs

Locations with GPS information

IDs

GUSID (Global unique identifier short form) V6cUjKMgvUiJvGz1Z4i4ug
GUID (Global unique identifier) 8C14A757-20A3-48BD-89BC-6CF56788B8BA
Database ID 1981