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Sanderite Mineral Data

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General Sanderite Information

Help on Chemical  Formula: Chemical Formula: MgSO4•2(H2O)
Help on Composition: Composition: Molecular Weight = 156.40 gm
   Magnesium  15.54 %  Mg   25.77 % MgO
   Hydrogen    2.58 %  H    23.04 % H2O
   Sulfur     20.50 %  S    51.19 % SO3
   Oxygen     61.38 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg(SO4)•2(H2O)
Help on Environment: Environment: Structure analyzed from synthetic material.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1952
Help on Locality: Locality: Efflorescences on kieserite at the Hansa I shaft, Empelde, and the Niedersachsen shaft, near Wathlingen, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Bruno Sander (1884-1979), Austrian geologist, Alte Universitat, Innsbruck, Austria.
Help on Name Pronunciation: Name Pronunciation: Sanderite + Pronunciation Say SANDERITE

Sanderite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0477:1:1.4655
Help on Cell Dimensions: Cell Dimensions: a = 8.8932, b = 8.4881, c = 12.4401, Z = 8; V = 939.06 Den(Calc)= 2.21
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.1(1), 4.25(0.9), 4.42(0.8),

Physical Properties of Sanderite

Help on Color: Color: White.
Help on Density: Density: 2.37
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Sanderite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 1.49 - from Gladstone-Dale relationship (KC = 0.2205) where Ncalc=Dcalc*KC+1
NCalc= 1.52 - from Gladstone-Dale relationship (KC = 0.2205) where Ncalc=Dmeas*KC+1

Calculated Properties of Sanderite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.26 gm/cc
note: Specific Gravity of Sanderite =2.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESanderite = 1.64 barns/electron
U=PESanderite x rElectron Density= 3.70 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sanderite is Not Radioactive

Sanderite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.04)Dana Group Sanderite MgSO4•2(H2O) P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 07.CB.07 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
07.CB.07 Sanderite MgSO4•2(H2O) P 212121 2 2 2

Other Sanderite Information

Help on References: References: PHYS. PROP.(Dana8, AmMin, v94:622)
Help on See Also: See Also: Links to other databases for Sanderite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 07.CB.07





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