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Sailaufite Mineral Data

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General Sailaufite Information

Help on Chemical  Formula: Chemical Formula: Ca2Mn3O2(AsO4)2(CO3)•3(H2O)
Help on Composition: Composition: Molecular Weight = 650.52 gm
   Sodium      1.41 %  Na    1.91 % Na2O
   Calcium     8.63 %  Ca   12.07 % CaO
   Manganese  23.65 %  Mn   33.98 % Mn2O3
   Arsenic    24.19 %  As   37.10 % As2O5
   Hydrogen    0.93 %  H     8.31 % H2O
   Carbon      1.85 %  C     6.77 % CO2
   Oxygen     39.35 %  O
             ______        ______ 
             100.00 %      100.12 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.4Na0.4Mn3+2.8As2.1O10(CO3)•3(H2O)
Help on Environment: Environment: Late-stage hydrothermal product in veins of Mn ore in a rhyolite. (Mitridatite type)
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Hartkoppe hill, Ober-Sailauf (Spessart mountains) Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Synonym: Synonym: IMA2000-005

Sailaufite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5733:1:0.455
Help on Cell Dimensions: Cell Dimensions: a = 11.253, b = 19.628, c = 8.932, Z = 6; beta = 100.05° V = 1,942.57 Den(Calc)= 3.34
Help on Crystal System: Crystal System: Monoclinic - Domatic H-M Symbol (m) Space Group: Cm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.796(1)(001), 2.9342(0.75)(003), 2.2016(0.55)(004),2.7702(0.36)(400), 5.6524(0.31)(130), 2.816(0.24), 2.886(0.23),

Physical Properties of Sailaufite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Dark red brown, Black.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Subconchoidal - Brittle frature with subconchoidal fragments
Help on Habit: Habit: Mammillary - Larger "breast-like" rounded forms resembling botryoidal (e.g. malachite).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: brown

Optical Properties of Sailaufite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2352,KC= 0.2339
Ncalc = 1.78
Help on Optical Data: Optical Data: Biaxial (-), a=1.757, b=1.8, g=1.8, bire=0.0430

Calculated Properties of Sailaufite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.20 gm/cc
note: Specific Gravity of Sailaufite =3.34 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0005098275
Boson Index = 0.9994901725
Help on Photoelectric: Photoelectric: PESailaufite = 23.62 barns/electron
U=PESailaufite x rElectron Density= 75.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sailaufite is Not Radioactive

Sailaufite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.08)where (AB)7 (XO4)4 Zq � x(H2O)
  (42.08.05)Kolfanite Group Kolfanite Ca2Fe3O2(AsO4)3•2(H2O) A2/a 2/m Pararobertsite Ca2Mn3(PO4)3O2•3(H2O) P 21/c 2/m Sailaufite! Ca2Mn3O2(AsO4)2(CO3)•3(H2O) Cm m
Help on  Strunz Class: Strunz Class: 08.DH.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DH -With large and medium-sized cations, (OH, etc.):RO4 < 1:1
08.DH.30 Arseniosiderite Ca2Fe3(AsO4)3O2•3(H2O) A2/a 2/m
08.DH.30 Pararobertsite Ca2Mn3(PO4)3O2•3(H2O) P 21/c 2/m
08.DH.30 Kolfanite Ca2Fe3O2(AsO4)3•2(H2O) A2/a 2/m
08.DH.30 Lunokite (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2(OH)•4(H2O) P bca 2/m 2/m 2/m
08.DH.30 Robertsite Ca6Mn9(PO4)9O6(H2O)6•3(H2O) A2/a 2/m
08.DH.30 Mitridatite Ca2Fe3(PO4)3O2•3(H2O) A2/a 2/m
08.DH.30 Sailaufite! Ca2Mn3O2(AsO4)2(CO3)•3(H2O) Cm m

Other Sailaufite Information

Help on References: References: NAME( AmMin, v 88, p 250) PHYS. PROP.(AmMin, v 88, p 250) OPTIC PROP.(AmMin, v 88, p 250)
Help on See Also: See Also: Links to other databases for Sailaufite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 08.DH.30





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