Chlorartinite Mineral Data

General Chlorartinite Information

Chemical Formula:

Mg2(CO3)Cl(OH)•3(H2O)

Composition:

Molecular Weight = 215.13 gm

Magnesium 22.60 % Mg 37.47 % MgO

Hydrogen 3.28 % H 29.31 % H₂O

Carbon 5.58 % C 20.46 % CO₂

Chlorine 16.48 % Cl 16.48 % Cl

- % Cl -3.72 % -O=Cl₂

Oxygen 52.06 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg₂(CO₃)Cl(OH)•3(H₂O)

Environment:

Volcanic exhalations.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

The third cone of the Northern Breakthrough of the Main Tolbachik fracture eruption (1975-1976), Kamchatka, Russia. Link to MinDat.org Location Data.

Name Origin:

Chloride analog of artinite named after the Italian mineralogist, E. Artini (1866-1928).

Synonym:

IMA1996-005

Chlorartinite Image

Images:

Chlorartinite

Comments: Opaque white crystalline chlorartinite on volcanic glass.
Location: Vulcan Tolbachik, Kamchatka District, Russian Far East, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chlorartinite Crystallography

Axial Ratios:

a:c = 1:0.31174

Cell Dimensions:

a = 23.163, c = 7.221, Z = 18; V = 3,355.19 Den(Calc)= 1.92

Crystal System:

Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3c (?)

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

By Intensity(I/I_o): 11.66(1), 3(0.41), 2.657(0.22),

Physical Properties of Chlorartinite

Color:

White.

Density:

1.87

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Streak:

white

Optical Properties of Chlorartinite

Gladstone-Dale:

CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2656,KPDmeas= 0.2727,KC= 0.2698
Ncalc = 1.5 - 1.52

Optical Data:

Uniaxial (?), a=1.51, b=1.51, bire=0.0000.

Calculated Properties of Chlorartinite

Electron Density:

Bulk Density (Electron Density)=1.91 gm/cc
note: Specific Gravity of Chlorartinite =1.87 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_{Chlorartinite}= 1.69 barns/electron
U=PE_{Chlorartinite} x rElectron Density= 3.24 barns/cc.

Radioactivity:

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

Chlorartinite Classification

Dana Class:

16b.03.01.02 (16b)Carbonates - Hydroxyl or Halogen

(16b.03)where Am Bn (XO3)p Zq ï¿½ x(H2O), (m+n):p = 2:1

(16b.03.01)Dana Group

16b.03.01.01 Artinite Mg2(CO3)(OH)2•3(H2O) C 2 or C 2/m Mono

16b.03.01.02 Chlorartinite! Mg2(CO3)Cl(OH)•3(H2O) R 3c (?) 3m

Strunz Class:

05.DA.10 05 - CARBONATES (NITRATES)

05.D - Carbonates with Additional Anions, with H2O

05.DA -With medium-sized cations

05.DA.10 Artinite Mg2(CO3)(OH)2•3(H2O) C 2 or C 2/m Mono

05.DA.10 Chlorartinite! Mg2(CO3)Cl(OH)•3(H2O) R 3c (?) 3m

Other Chlorartinite Information

References:

NAME( MinRec) PHYS. PROP.(Min.Mag.,Vol.61,p732,1997) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Chlorartinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Chlorartinite

Mg2(CO3)Cl(OH)•3(H2O)
Dana No: 16b.03.01.02 Strunz No: 05.DA.10
Locality:

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