Artinite Mineral Data (original) (raw)
General Artinite Information
Mg2(CO3)(OH)2•3(H2O)
Molecular Weight = 196.68 gm
Magnesium 24.72 % Mg 40.98 % MgO
Hydrogen 4.10 % H 36.64 % H2O
Carbon 6.11 % C 22.38 % CO2
Oxygen 65.08 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Mg2(CO3)(OH)2•3(H2O)
Low-temperature hydrothermal mineral in veins and crusts in serpentinized ultrabasic rocks.
Valid Species (Pre-IMA) 1902
Val Brutta, and Francia in the Val Lanterna, Lombardy, Italy. Link to MinDat.org Location Data.
Named after the Italian mineralogist, Ettore Artini (1866-1928), mineralogist at the University of Milan.
Cuproartinite-Cu
ICSD 1320
PDF 6-484
Artinite Image
Artinite Comments: White, acicular clusters of artinite on matrix. Location: San Benito County, California, USA.Scale: Cluster size 1.3 cm. © Sandro Maggia/Minernet.it |
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Artinite Crystallography
a:b:c =5.2571:1:1.9746
a = 16.56, b = 3.15, c = 6.22, Z = 2; beta = 99° V = 320.47 Den(Calc)= 2.04
MonoclinicSpace Group: C 2 or C 2/m
By Intensity(I/Io): 2.736(1), 5.34(0.65), 3.69(0.5),
Physical Properties of Artinite
{100} Perfect, {001} Good
White.
2 - 2.03, Average = 2.01
Translucent
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Encrustations - Forms crust-like aggregates on matrix.
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
2.5 - Finger Nail
Non-fluorescent.
Silky
Nonmagnetic
white
Optical Properties of Artinite
CI meas= -0.029 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2579,KPDmeas= 0.2611,KC= 0.2538
Ncalc = 1.51 - 1.52
Biaxial (-), a=1.488-1.489, b=1.533-1.534, g=1.556-1.557, bire=0.0680, 2V(Calc)=68, 2V(Meas)=71. Dispersion none.
none.
none.
none.
Calculated Properties of Artinite
Bulk Density (Electron Density)=2.12 gm/cc
note: Specific Gravity of Artinite =2.04 gm/cc.
Fermion Index = 0.02
Boson Index = 0.98
PEArtinite = 0.74 barns/electron
U=PEArtinite x rElectron Density= 1.57 barns/cc.
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Artinite is Not Radioactive
Artinite Classification
16b.03.01.01 (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
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 Artinite Information
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Links to other databases for Artinite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
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
17 - theimage
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Artinite
Mg2(CO3)(OH)2•3(H2O)
Dana No: 16b.03.01.01 Strunz No: 05.DA.10
Locality:
Notes: