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Kolicite

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Kolicit
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Kolicit

Bildbreite: 2,7 mm, 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

Collectors Summary

Color gelborange
Streak color hellorange
Hardness (Mohs) 4.5
Solubility +++ HCl, HNO3
Crystal System orthorhombisch, Cmca

Chemism

Chem­ical formula

Mn7Zn4(AsO4)2(SiO4)2(OH)8

Chem­ical com­po­si­tion

Arsen, Mangan, Silicium, Zink, Sauerstoff, Wasserstoff

Unit weight: 1244.2681093 u; Number of atoms in the formula: 47

Info

Empirical formula:

Mn7Zn4(AsO4)2(SiO4)2(OH)8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.65

8

17.02

1.0079470

8.0635760

Oxygen

O

30.86

24

51.06

15.9994300

383.9863200

Silicon

Si

4.51

2

4.26

28.0855300

56.1710600

Manganese

Mn

30.91

7

14.89

54.9380499

384.5663493

Zinc

Zn

21.03

4

8.51

65.4094000

261.6376000

Arsenic

As

12.04

2

4.26

74.9216020

149.8432040

Anal­y­sis wt%

MnO : 39.20, FeO : 0.40, MgO : 0.80, ZnO : 26.00, SiO2 : 10.40, As2O5 : 18.90, H2O : 5.50 (Ref: American Mineralogist 79)

Strunz 9th edi­tion incl. updates

8.BE.60

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

Lapis Clas­sifica­tion

VIII/B.10-020

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen

Clas­sifica­tion by Hölzel

9.AJ.280

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

Dana 8th edi­tion

43.04.08.01

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

gelborange

Streak color

hellorange

max. Birefrin­gence

0.011

Birefringence chart\! Kolicite title=Birefringence chart Kolicite

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

1.779

RI value β

1.786

RI value γ / ε

1.790

Ri mean

1.785

2V angle

Biaxial (-) 78°

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

64

Space Group

Cmca

Cell param­e­ters a (Å)

18.59

Cell param­e­ters b (Å)

8.789

Cell param­e­ters c (Å)

12.04

Cell param­e­ters a/b or c/a

2.115

Cell param­e­ters c/b

1.370

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1967.186

X-Ray Pow­der Diffrac­tion

4.12(10),
3.58(60),
2.970(100),
2.815(40),
2.608(50),
2.479(40),
2.342(40),
1.540(70)

XRD chart Kolicite

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)

4.5

VHN (Hard­ness Vick­ers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.17

4.201 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl, HNO3

Preface

Author (Name, Year)

Dunn & Peacor & Sturman, 1979

References

American Mineralogist 64 (1979), 708

Other languages

German

Kolicit

Spanish

Kolicita

French

Kolicite

English

Kolicite

Russian

Коликит

CNMNC (IMA)-Number

IMA 1978-076

CNMNC symbol

Symbol

Kol

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Коликит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Kolicit
Crystal-Treasure.com - search for: Kolicit
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