Kolicite Mineral Data

General Kolicite Information

Chemical Formula:

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

Composition:

Molecular Weight = 1,244.19 gm

Manganese 30.91 % Mn 39.91 % MnO

Zinc 21.02 % Zn 26.17 % ZnO

Silicon 4.51 % Si 9.66 % SiO₂

Arsenic 12.04 % As 18.47 % As₂O₅

Hydrogen 0.65 % H 5.79 % H₂O

Oxygen 30.86 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺₇Zn₄(AsO₄)₂(SiO₄)₂(OH)₈

Environment:

Incrusting willemite-franklinite ore from metamorphosed stratiform zinc orebodies.

IMA Status:

Approved IMA 1979

Locality:

Sterling Hill, Ogdensburg, and at Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.

Name Origin:

Named for John Kolic, of Rockaway, New Jersey, USA, who first discovered the mineral.

Name Pronunciation:

Kolicite

Synonym:

ICSD 100183

PDF 33-918

Kolicite Image

Images:

Kolicite

Comments: Minute orange crystal of kolicite in franklinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kolicite Crystallography

Axial Ratios:

a:b:c =2.1151:1:1.3698

Cell Dimensions:

a = 18.59, b = 8.789, c = 12.04, Z = 4; V = 1,967.19 Den(Calc)= 4.20

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mca

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.97(1), 1.54(0.7), 3.58(0.6),

Physical Properties of Kolicite

Cleavage:

None

Color:

Yellow orange.

Density:

4.17

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Streak:

light orange

Optical Properties of Kolicite

Gladstone-Dale:

CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1869,KPDmeas= 0.1882,KC= 0.1897
Ncalc = 1.79 - 1.8

Optical Data:

Biaxial (-), a=1.779, b=1.786, g=1.79, bire=0.0110, 2V(Calc)=72, 2V(Meas)=78.

Calculated Properties of Kolicite

Electron Density:

Bulk Density (Electron Density)=3.95 gm/cc
note: Specific Gravity of Kolicite =4.17 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Kolicite= 27.10 barns/electron
U=PE_Kolicite x rElectron Density= 106.99 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kolicite is Not Radioactive

Kolicite Classification

Dana Class:

43.04.08.01 (43)Compound Phosphates, etc.

(43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen)

(43.04.08)Dana Group

43.04.08.01 Kolicite Mn7Zn4(AsO4)2(SiO4)2(OH)8 C mca 2/m 2/m 2/m

Strunz Class:

08.BE.60 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BE -With only medium-sized cations, (OH, etc.):RO4 > 2:1

08.BE.60 Kolicite Mn7Zn4(AsO4)2(SiO4)2(OH)8 C mca 2/m 2/m 2/m

Other Kolicite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Kolicite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Kolicite Specimen Label here :

Kolicite

Mn7Zn4(AsO4)2(SiO4)2(OH)8
Dana No: 43.04.08.01 Strunz No: 08.BE.60
Locality:

Notes:

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