Chlorartinite Mineral Data (original) (raw)
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
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 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 PyramidalH-M Symbol (3m) Space Group: R 3c (?)
X Ray Diffraction:
By Intensity(I/Io): 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:
PEChlorartinite = 1.69 barns/electron
U=PEChlorartinite 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 � 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:
Notes: