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Bobjonesite

Pictures (1 Images total)

Verwachsung von Karpovit mit Bobjonesit
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Verwachsung von Karpovit mit Bobjonesit

Verwachsung von Karpovit mit Bobjonesit in Glasampulle, nördlicher Bruch der Großen Spaltenerution des Tolbachik, Kamtschatka, Russland; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-01-29
Locality: nördlicher Bruch / Große Spalteneruption (Great Fissure) / Tolbachik-Vulkan / Kamtschatka Oblast / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Hardness (Mohs) 1
Cleavages keine
Solubility +++ H2O, hydratisiert sehr leicht und ist instabil auch in dertrockensten Atmosphäre
Crystal System monoklin, P21/n

Chemism

Chem­ical formula

(V4+O)[SO4]·3H2O

Chem­ical com­po­si­tion

Sauerstoff, Schwefel, Vanadium, Wasserstoff

Unit weight: 217.050132 u; Number of atoms in the formula: 16

Info

Empirical formula:

(VO)[SO4]·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.79

6

37.50

1.0079470

6.0476820

Oxygen

O

58.97

8

50.00

15.9994300

127.9954400

Sulfur

S

14.77

1

6.25

32.0655000

32.0655000

Vanadium

V

23.47

1

6.25

50.9415100

50.9415100

Anal­y­sis wt%

VO2 : 38.21, SO3 : 36.89, H2O : 24.90 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

7.DB.25

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
B: mit mittelgroßen Kationen; isolierte Oktaeder und begrenzte Einheiten
25:Bobjonesit-Gruppe

Lapis Clas­sifica­tion

VI/D.05-002

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
5: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.DF.120

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
F: Minasragrite-Group

Dana 8th edi­tion

29.06.12.02

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
12: Minasragrite Group (Monclinic and Triclinic)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

max. Birefrin­gence

0.019

Birefringence chart\! Bobjonesite title=Birefringence chart Bobjonesite

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

1.555

RI value β

1.561

RI value γ / ε

1.574

Ri mean

1.563

2V angle

Biaxial (+) 72°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell param­e­ters a (Å)

7.394

Cell param­e­ters b (Å)

7.411

Cell param­e­ters c (Å)

12.060

Cell param­e­ters a/b or c/a

0.998

Cell param­e­ters c/b

1.627

Cell param­e­ters α

90°

Cell param­e­ters β

106.55

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

633.473

X-Ray Pow­der Diffrac­tion

6.962(10),
6.255(10),
5.795(100),
5.408(40),
4.571(20),
3.881(50),
3.498(90),
3.423(10)

XRD chart Bobjonesite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1

Density (g/cm³)

2.28

2.276 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Insta­bil­ity

+++ H2O, hydratisiert sehr leicht und ist instabil auch in dertrockensten Atmosphäre

Preface

Author (Name, Year)

Schindler & Hawthorne & Huminicki & Haynes & Grice & Evans, 2003

References

Canadian Mineralogist 41 (2003), 83

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Stanleyite

V4+[O|SO4]·6H2O

7.DB.25

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

7.DB.25

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Pauflerite

VO(SO4)

orthorhombisch : mmm : Pnma

VI/D.05-001

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

VI/D.05-002

Orthominasragrite

V4+[O|SO4]·5H2O

orthorhombisch : mm2 : Pmn21

VI/D.05-005

Minasragrite

V4+[O|SO4]·5H2O

monoklin : 2/m : P21/c

VI/D.05-010

Anorthominasragrite

V4+[O|SO4]·5H2O

triklin : 1 : P1

VI/D.05-015

Stanleyite

V4+[O|SO4]·6H2O

VI/D.05-020

Karpovite

Tl2VO(SO4)2(H2O)

monoklin : 2 : P21

VI/D.05-030

Evdokimovite

Tl4(VO)3(SO4)5(H2O)5

monoklin : 2/m : P21/n

VI/D.05-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

7.DF.120

Minasragrite

V4+[O|SO4]·5H2O

monoklin : 2/m : P21/c

7.DF.140

Orthominasragrite

V4+[O|SO4]·5H2O

orthorhombisch : mm2 : Pmn21

7.DF.143

Anorthominasragrite

V4+[O|SO4]·5H2O

triklin : 1 : P1

7.DF.145

Stanleyite

V4+[O|SO4]·6H2O

7.DF.160

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Melanterite

Fe2+SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.01

Boothite

(Cu,Mg)(SO4)·7H2O

29.06.10.02

Zincmelanterite

(Zn,Fe2+)[SO4]·7H2O

29.06.10.03

Bieberite

CoSO4·7 H2O

monoklin : 2/m : P21/c

29.06.10.04

Mallardite

Mn2+SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.05

Alpersite

(Mg)SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.06

Epsomite

MgSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.01

Goslarite

ZnSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.02

Morenosite

NiSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.03

Minasragrite

V4+[O|SO4]·5H2O

monoklin : 2/m : P21/c

29.06.12.01

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

29.06.12.02

Anorthominasragrite

V4+[O|SO4]·5H2O

triklin : 1 : P1

29.06.12.03

Stanleyite

V4+[O|SO4]·6H2O

29.06.13.01

Orthominasragrite

V4+[O|SO4]·5H2O

orthorhombisch : mm2 : Pmn21

29.06.13.02

Other languages

German

Bobjonesit

Spanish

Bobjonesita

French

Bobjonesite

English

Bobjonesite

Russian

Бобджонесит

Simplified Chinese

单斜钒矾

Traditional Chinese

單斜釩礬

IMA Number

IMA 2000-045

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Bobjonesit
Google-Bilder-Suche - search for: Bobjonesit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Bobjonesit

English pages

Mindat - search for: Bobjonesite
Webmineral - search for:Bobjonesite
Handbook-of-Mineralogy - search for: Bobjonesite
RRUFF - Raman, XRD and other mineral data - search for: Bobjonesite
RRUFF - References and PDF downloads - search for: Bobjonesite
American-Mineralogist-Crystal-Structure-Database - search for: Bobjonesite
Athena - search for: Bobjonesite

Russian pages

Webmineral.ru - search for: Бобджонесит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Bobjonesit
Crystal-Treasure.com - search for: Bobjonesit
Bosse - search for: Bobjonesit

Locations with GPS information