Mineralogy Database

Artinite Mineral Data

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General Artinite Information

Help on Chemical  Formula: Chemical Formula: Mg2(CO3)(OH)2•3(H2O)
Help on Composition: Composition: 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
Help on Empirical Formula: Empirical Formula: Mg2(CO3)(OH)2•3(H2O)
Help on Environment: Environment: Low-temperature hydrothermal mineral in veins and crusts in serpentinized ultrabasic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1902
Help on Locality: Locality: Val Brutta, and Francia in the Val Lanterna, Lombardy, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Italian mineralogist, Ettore Artini (1866-1928), mineralogist at the University of Milan.
Help on Name Pronunciation: Name Pronunciation: Artinite Say ARTINITE
Help on Synonym: Synonym: Cuproartinite-Cu
  ICSD 1320
  PDF 6-484

Artinite Image

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Comments: Bright, white acicular sprays of artinite crystals on matrix.
Location: New Idria district, San Benito County, California, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

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Comments: White, acicular clusters of artinite on matrix.
Location: San Benito County, California, USA. Scale: Cluster size 1.3 cm.
© Sandro Maggia/Minernet.it

Artinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =5.2571:1:1.9746
Help on Cell Dimensions: Cell Dimensions: a = 16.56, b = 3.15, c = 6.22, Z = 2; beta = 99° V = 320.47 Den(Calc)= 2.04
Help on Crystal System: Crystal System: Monoclinic Space Group: C 2 or C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.736(1), 5.34(0.65), 3.69(0.5),

Physical Properties of Artinite

Help on Cleavage: Cleavage: {100} Perfect, {001} Good
Help on Color: Color: White.
Help on Density: Density: 2 - 2.03, Average = 2.01
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Silky
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Artinite

Help on Gladstone-Dale: Gladstone-Dale: 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
Help on Optical Data: Optical Data: 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.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): none.

Calculated Properties of Artinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.12 gm/cc
note: Specific Gravity of Artinite =2.04 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEArtinite = 0.74 barns/electron
U=PEArtinite x rElectron Density= 1.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Artinite is Not Radioactive

Artinite Classification

Help on  Dana Class: Dana Class: 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
Help on  Strunz Class: 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 Artinite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: 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
17 - theimage

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Dana No: 16b.03.01.01 Strunz No: 05.DA.10





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