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Mcgovernite

Pictures (5 Images total)

Mcgovernit
Views (Image: 1333900057): 1074
Mcgovernit

Sterling Hill Mine,Ogdensburg/New Jersey USA; Bildbreite 15 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2012-04-08
Locality: Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA
Mcgovernit
Views (Image: 1274607243): 723
Mcgovernit

Mcgovernit neben Calcit. Bildbreite: 3 cm, Fundort: Sterling Mine, Franklin, New Jersey, USA

Copyright: Public Domain
Contribution: thdun5 2010-05-23
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA
Mcgovernit
Views (Image: 1274607084): 629
Mcgovernit

Mcgovernit neben Calcit. Größe: 1,5 x 4 cm, Fundort: Sterling Mine, Franklin, New Jersey, USA

Copyright: Public Domain
Contribution: thdun5 2010-05-23
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA
McGovernit
Views (Image: 1322113410): 598
McGovernit

Größe: 16,5 x 13,0 cm; Fundort: Sterling Mine, Franklin, New Jersey, USA

Collection: Ewald Gerstmann
Copyright: Rock Currier
Contribution: slugslayer 2011-11-24
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA
Mcgovernit
Views (Image: 1274606865): 599
Mcgovernit

Größe: 12,5 x 6,5 x 6,2 cm, Fundort: Sterling Mine, Franklin, New Jersey, USA

Copyright: Rob Lavinsky
Contribution: thdun5 2010-05-23
Locality: Sterling Mine / Sterling Hill / Ogdensburg / Franklin Mining District / Sussex Co. / New Jersey / USA

Collectors Summary

Color rötlichbraun
Solubility +++ Säuren
Crystal System trigonal, R3c

Chemism

Chem­ical formula

(Mn,Mg,Zn)22(AsO3)(AsO4)3(SiO4)3(OH)21

Chem­ical com­po­si­tion

Arsen, Magnesium, Mangan, Silicium, Zink, Sauerstoff, Wasserstoff

Unit weight: 2202.57885968 u; Number of atoms in the formula: 98

Info

Empirical formula:

(Mn0.6Mg0.3Zn0.1)22(AsO3)(AsO4)3(SiO4)3(OH)21

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.96

21

21.43

1.0079470

21.1668870

Oxygen

O

34.87

48

48.98

15.9994300

767.9726400

Magnesium

Mg

7.28

6.6

6.73

24.3050600

160.4133960

Silicon

Si

3.83

3

3.06

28.0855300

84.2565900

Manganese

Mn

32.92

13.2

13.47

54.9380499

725.1822587

Zinc

Zn

6.53

2.2

2.24

65.4094000

143.9006800

Arsenic

As

13.61

4

4.08

74.9216020

299.6864080

Strunz 9th edi­tion incl. updates

8.BE.45

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
E: Mit ausschließlich mittelgroßen [Kationen] (OH, etc.):RO4 > 2:1
45:Hämatolith-Gruppe

Lapis Clas­sifica­tion

VIII/B.11-020

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen

Clas­sifica­tion by Hölzel

9.AJ.240

9: SILICATES
A: Nesosilicates
J: Nesosilicates with other complex Anions
2: With ~[AsO3],~[AsO4]

Dana 8th edi­tion

43.04.09.01

43: Compound Phosphates, etc.
04: Compound Phosphates, etc. (Anhydrous Compound Anions With Hydroxyl or Halogen)
09: Mcgovernite Group

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

rötlichbraun

RI value α / ω / n

1.761

2V angle

Uniaxial (+)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

167

Space Group

R3c

Cell param­e­ters a (Å)

8.22

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

205.5!

Cell param­e­ters a/b or c/a

25.000!

Cell param­e­ters c/b

-

Z

12

Volumne (ų)

12025.028

X-Ray Pow­der Diffrac­tion

11.205(30),
5.630(70),
4.832(20),
4.228(40),
2.819(30),
2.604(50),
2.418(80),
2.257(100)

XRD chart Mcgovernite

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

3.719 (gemessen)

3.65 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Palache & Bauer, 1927

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 527

Other languages

German

Mcgovernit

Spanish

Mcgovernita

French

Mcgovernite

English

Mcgovernite

Japanese

マックガバーン鉱

CNMNC symbol

Symbol

Mgv

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

German pages

DeWikiPedia - search for: Mcgovernit
Google-Bilder-Suche - search for: Mcgovernit
Mineralienatlas.de (Forum) - search for: Mcgovernit

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Mcgovernit
Crystal-Treasure.com - search for: Mcgovernit
Bosse - search for: Mcgovernit
Edelsteine Neuburg - Gundolf Fischer - search for: Mcgovernit

Locations with GPS information