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Gerstleyite

Pictures (7 Images total)

Gerstleyit
Views (File:
1250367754
): 1233
Gerstleyit
Größe: 40x30x20 mm; Fundort: Baker Mine, U.S. Borax Mine, Boron, Kern Co., Kalifornien, USA
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: USA/Kalifornien (California)/Kern Co./Kramer District/Boron/Kramer Boratlagerstätte/U.S. Borax Mine/Baker Mine
Mineral: Gerstleyite
Image: 1250367754
License: Usage for Mineralienatlas project only
Gerstleyit

Größe: 40x30x20 mm; Fundort: Baker Mine, U.S. Borax Mine, Boron, Kern Co., Kalifornien, USA

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2009-08-15
Locality: Baker Mine / U.S. Borax Mine / Kramer Boratlagerstätte / Boron / Kramer District / Kern Co. / Kalifornien (California) / USA
Gerstleyit
Views (File:
1419807222
): 578
Gerstleyit
Größe: 53x33x30 mm; Fundort: Baker Mine, U.S. Borax Mine, Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: USA/Kalifornien (California)/Kern Co./Kramer District/Boron/Kramer Boratlagerstätte/U.S. Borax Mine/Baker Mine
Mineral: Gerstleyite
Image: 1419807222
License: Usage for Mineralienatlas project only
Gerstleyit

Größe: 53x33x30 mm; Fundort: Baker Mine, U.S. Borax Mine, Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2014-12-28
Locality: Baker Mine / U.S. Borax Mine / Kramer Boratlagerstätte / Boron / Kramer District / Kern Co. / Kalifornien (California) / USA
Gerstleyit
Views (File:
1419807924
): 521
Gerstleyit
Größe: 40x25x20 mm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA
Copyright: Rock Currier; Contribution: Philip Blümner
Location: USA/Kalifornien (California)/Kern Co./Kramer District/Boron/Kramer Boratlagerstätte/Western Mine (Mudd Mine)
Mineral: Gerstleyite
Image: 1419807924
License: Usage for Mineralienatlas project only
Gerstleyit

Größe: 40x25x20 mm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA

Copyright: Rock Currier
Contribution: Philip Blümner 2014-12-28
Locality: Western Mine (Mudd Mine) / Kramer Boratlagerstätte / Boron / Kramer District / Kern Co. / Kalifornien (California) / USA
Gerstleyit
Views (File:
1419807979
): 426
Gerstleyit
Größe: 12,0 x 7,5 x 3,0 cm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA
Copyright: Rock Currier; Contribution: Philip Blümner
Location: USA/Kalifornien (California)/Kern Co./Kramer District/Boron/Kramer Boratlagerstätte/Western Mine (Mudd Mine)
Mineral: Gerstleyite
Image: 1419807979
License: Usage for Mineralienatlas project only
Gerstleyit

Größe: 12,0 x 7,5 x 3,0 cm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA

Copyright: Rock Currier
Contribution: Philip Blümner 2014-12-28
Locality: Western Mine (Mudd Mine) / Kramer Boratlagerstätte / Boron / Kramer District / Kern Co. / Kalifornien (California) / USA
Gerstleyit, Probertit
Views (File:
1419808064
): 577
Gerstleyit, Probertit
Größe: 65x40x20 mm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA
Copyright: Rock Currier; Contribution: Philip Blümner
Location: USA/Kalifornien (California)/Kern Co./Kramer District/Boron/Kramer Boratlagerstätte/Western Mine (Mudd Mine)
Mineral: Gerstleyite, Probertite
Image: 1419808064
License: Usage for Mineralienatlas project only
Gerstleyit, Probertit

Größe: 65x40x20 mm; Fundort: Western Mine (Mudd Mine), Kramer Boratlagerstätte, Boron, Kramer District, Kern Co., Kalifornien, USA

Copyright: Rock Currier
Contribution: Philip Blümner 2014-12-28
Locality: Western Mine (Mudd Mine) / Kramer Boratlagerstätte / Boron / Kramer District / Kern Co. / Kalifornien (California) / USA

Collectors Summary

Color zinnoberrot, schwarz
Streak color zinnoberrot
Hardness (Mohs) 2.5
Solubility +++ verdünnte HCl, verdünnte Alkalien
Crystal System monoklin, Cm

Chemism

Chemical formula

Na2(Sb,As)8S13·2H2O

Chemical composition

Antimon, Arsen, Natrium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1379.2654924 u; Number of atoms in the formula: 29

Info

Empirical formula:

Na2(Sb0.75As0.25)8S13·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.29

4

13.79

1.0079470

4.0317880

Oxygen

O

2.32

2

6.90

15.9994300

31.9988600

Sodium

Na

3.33

2

6.90

22.9897702

45.9795404

Sulfur

S

30.22

13

44.83

32.0655000

416.8515000

Arsenic

As

10.86

2

6.90

74.9216020

149.8432040

Antimony

Sb

52.97

6

20.69

121.7601000

730.5606000

Strunz 9th edition incl. updates

2.HE.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
H: Sulfosalze mit SnS als Vorbild
E: Mit Alkalien, H2O
05:Gerstleyit-Gruppe

Lapis Classification

II/F.10-010

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
F: Sulfide mit nichtmetallischem Charakter
10: Alkalisulfide

Classification by Hölzel

2.HB.500

2: SULFIDES
H: PbS Archetype
B: With only Pb
5: Sulfosalts with Water

Dana 8th edition

03.08.08.01

03: Sulfides - Sulfosalts
08: Sulfides - Sulfosalts where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

zinnoberrot, schwarz

Streak color

zinnoberrot

max. Birefringence

schwach

RI value α / ω / n

2.01>

RI value β

2.01>

RI value γ / ε

2.01>

Ri mean

2.01>

2V angle

b nd lg

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell parameters a (Å)

9.911

Cell parameters b (Å)

23.05

Cell parameters c (Å)

7.097

Cell parameters a/b or c/a

0.430

Cell parameters c/b

0.308

Cell parameters α

90°

Cell parameters β

127.85

Cell parameters γ

90°

Z

2

Volume (ų)

1280.21

X-Ray Powder Diffraction

11.85(100),
5.64(70),
4.03(70),
3.56(30),
3.20(30),
3.05(90),
2.81(50),
2.739(40)

XRD chart Gerstleyite

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)

2.5

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.62 (gemessen)

3.578 ( ρ calc. Mineralienatlas )

Instability

+++ verdünnte HCl, verdünnte Alkalien

Preface

Author (Name, Year)

Frondel & Morgan, 1956

References

American Mineralogist 41 (1956), 839

Other languages

German

Gerstleyit

Spanish

Gerstleyita

English

Gerstleyite

French

Gerstleyite

Russian

Герслиит

Russian

Джерстлиит

Japanese

ゲルストリー石

CNMNC symbol

Symbol

Gst

IDs

GUSID (Global unique identifier short form) nNRFQ5dHnkyvWZQyAyeW9A
GUID (Global unique identifier) 4345D49C-4797-4C9E-AF59-9432032796F4
Database ID 1372