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Ferrisurite

Pictures (1 Images total)

Ferrisurit
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Ferrisurit
Aggregatgröße: 0,9 mm, Fundort: Shirley Ann Claim, Ubehebe District, Inyo Co., Kalifornien, USA
Copyright: Jason B. Smith; Contribution: thdun5
Location: USA/Kalifornien (California)/Inyo Co./Death Valley National Park/Ubehebe District/Shirley Ann Claim
Mineral: Ferrisurite
Image: 1360264736
License: Usage for Mineralienatlas project only
Ferrisurit

Aggregatgröße: 0,9 mm, Fundort: Shirley Ann Claim, Ubehebe District, Inyo Co., Kalifornien, USA

Copyright: Jason B. Smith
Contribution: thdun5 2013-02-07
Locality: Shirley Ann Claim / Ubehebe District / Death Valley National Park / Inyo Co. / Kalifornien (California) / USA

Collectors Summary

Color gelbgrün, grün
Streak color grünlichgelb, olivgrün
Hardness (Mohs) 2.00 - 2.50
Cleavages vollkommen {010}
Fracture keiner
Solubility +++ kalte HCl 1:1
Crystal System monoklin, P21, P21/m

Chemism

Chemical formula

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

Chemical composition

Aluminium, Blei, Calcium, Eisen, Silicium, Fluor, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 949.201101075 u; Number of atoms in the formula: 32.1

Info

Empirical formula:

(Pb0.75Ca0.25)2.5(Fe0.75Al0.25)2[((OH)0.75F0.25)2.8(CO3)1.8Si4O10]·0.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.33

3.1

9.66

1.0079470

3.1246357

Carbon

C

2.28

1.8

5.61

12.0107800

21.6194040

Oxygen

O

30.34

18

56.07

15.9994300

287.9897400

Fluorine

F

1.40

0.7

2.18

18.9984033

13.2988823

Aluminium

Al

1.42

0.5

1.56

26.9815382

13.4907691

Silicon

Si

11.84

4

12.46

28.0855300

112.3421200

Calcium

Ca

2.64

0.63

1.95

40.0784000

25.0490000

Iron

Fe

8.83

1.5

4.67

55.8452000

83.7678000

Lead

Pb

40.93

1.88

5.84

207.2100000

388.5187500

Analysis wt%

CaO : 3.40, FeO : 0.80, PbO : 42.70, Al2O3 : 3.20, Fe2O3 : 10.50, SiO2 : 26.60, F : 0.80, CO2 : 8.20, H2O : 3.50 (Ref: American Mineralogist 92)

Strunz 9th edition incl. updates

9.EC.75

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
75:Surit-Gruppe

Lapis Classification

VIII/H.24-020

VIII: SILIKATE
H: Schichtsilikate
24: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen;

Classification by Hölzel

9.EJ.510

9: SILICATES
E: Phyllosilicates
J: SudoiteChlorite-Group

Dana 8th edition

71.02.04.01

71: Phyllosilicate Minerals
02: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 2:1 Layers
04: Surite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelbgrün, grün

Streak color

grünlichgelb, olivgrün

max. Birefringence

0.016

Birefringence chart\! Ferrisurite title=Birefringence chart Ferrisurite

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

1.757

RI value β

1.763

RI value γ / ε

1.773

Ri mean

1.764

2V angle

Biaxial (+) 76°c

Crystallography

Crystal System

monoklin

Class (H-M)

2, 2/m

Space Group number

4, 11

Space Group

P21, P21/m

Cell parameters a (Å)

5.241

Cell parameters b (Å)

9.076

Cell parameters c (Å)

16.23

Cell parameters a/b or c/a

0.577

Cell parameters c/b

1.788

Cell parameters α

90°

Cell parameters β

90.3

Cell parameters γ

90°

Z

2

Volume (ų)

772.007

X-Ray Powder Diffraction

16.1(40),
5.40(20),
4.53(100),
3.727(30),
3.240(90),
2.612(80),
2.272(50),
1.715(20)

XRD chart Ferrisurite

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

Physical Properties

Hardness (Mohs)

2.00 - 2.50

VHN (Hardness Vickers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.0 (gemessen)

4.083 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {010}

Fracture

keiner

Tenacity

sehr flexibel

Instability

+++ kalte HCl 1:1

Preface

Author (Name, Year)

Kampf & Jackson & Sidder & Foord & Adams, 1992

References

American Mineralogist 77 (1992), 1107

Other languages

German

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Spanish

Ferrisurita

English

Ferrisurite

French

Ferrisurite

Russian

Феррисурит

CNMNC (IMA)-Number

IMA 1990-056

CNMNC symbol

Symbol

Fsur

Locations with GPS information

IDs

GUSID (Global unique identifier short form) hnTquKJd3EW3DNJRa_K8bA
GUID (Global unique identifier) B8EA7486-5DA2-45DC-B70C-D2516BF2BC6C
Database ID 1151