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

Ferroselite (Ferroselit)

Pictures (1 Images total)

Ferroselit
Views (File:
1592587298
): 367
Ferroselit
stemgelige Kristalle von Ferroselit auf Sandkörnern, Molly Hogan Group, Yellow Cat Mesa, Grand County, Utah, USA; BB ~ 1 mm
Copyright: Joy Desor; Contribution: openpit
Location: USA/Utah/Grand Co.
Mineral: Ferroselite
Image: 1592587298
License: Usage for Mineralienatlas project only
Ferroselit

stemgelige Kristalle von Ferroselit auf Sandkörnern, Molly Hogan Group, Yellow Cat Mesa, Grand County, Utah, USA; BB 1 mm
Copyright: Joy Desor
Contribution: openpit 2020-06-19
Locality: Grand Co. / Utah / USA

You find additional Ferroselit specimen at the Geolitho Museum

Collectors Summary

Color weiß mit einem grau-braun Farbton
Streak color schwarz
Hardness (Mohs) 6.25
Solubility +++ HNO3, + HCl, H2SO4
Crystal System orthorhombisch, Pnnm

Chemism

Chemical formula

FeSe2

Chemical composition

Eisen, Selen

Unit weight: 213.7712 u; Number of atoms in the formula: 3

Info

Empirical formula:

FeSe2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Iron

Fe

26.12

1

33.33

55.8452000

55.8452000
Selenium

Se

73.88

2

66.67

78.9630000

157.9260000

Analysis wt%

Fe : 26.13, Se : 73.88 (Ref: berechnet)

Strunz 9th edition incl. updates

2.EB.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
B: M:S = 1:2, mit Fe, Co, Ni, PGE, usw.
10:Markasit-Gruppe

Lapis Classification

II/D.20-020

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1
20: Markasit-Gruppe

Classification by Hölzel

2.EB.610

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
B: With Fe,Co,Ni,PGE Pyrite, Marcasite Family
6: Marcasite-Group

Dana 8th edition

02.12.02.02

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
02: Marcasite Group (Orthorhombic: Pnnm)

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Marcasite group

Optical Properties

Color

weiß mit einem grau-braun Farbton

Streak color

schwarz

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

58

Space Group

Pnnm

Cell parameters a (Å)

4.801

Cell parameters b (Å)

5.776

Cell parameters c (Å)

3.585

Cell parameters a/b or c/a

0.831

Cell parameters c/b

0.621

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

99.414

X-Ray Powder Diffraction

2.86(50),
2.56(80),
2.46(80),
1.878(100),
1.446(90),
1.235(70),
1.166(60),
1.099(60)
XRD chart Ferroselite

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)

6.25

VHN (Hardness Vickers)

897 (25g)

Density (g/cm³)

7.21

7.141 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3, + HCl, H2SO4

(Co-)Type locality

(Co-)Type locality

Russland/Sibirien, Föderationskreis/Tuwa-Republik (Tuva, Tyva)/Turan, Distrikt/Ust'-Uyuk

Preface

Author (Name, Year)

Buryanova & Komkov, 1955

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 156

IMA group assignments

Other languages

German

Ferroselit

Spanish

Ferroselita

English

Ferroselite

French

Ferroselite

Russian

Ферроселит

Traditional Chinese

白硒鐵礦

Simplified Chinese

白硒铁矿

Alternative Name

Traditional Chinese

斜方硒鐵礦

Simplified Chinese

斜方硒铁矿

Traditional Chinese

斜方鐵硒礦

Simplified Chinese

斜方铁硒矿

CNMNC symbol

Symbol

Fse

Locations with GPS information