DAnsite  Mineral Data

DAnsite Mineral Data

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General DAnsite Information

Help on Chemical  Formula: Chemical Formula: Na21Mg(SO4)10Cl3
Help on Composition: Composition: Molecular Weight = 1,574.08 gm
   Sodium     30.67 %  Na   41.34 % Na2O
   Magnesium   1.54 %  Mg    2.56 % MgO
   Sulfur     20.37 %  S    50.86 % SO3
   Chlorine    6.76 %  Cl    6.76 % Cl
                -   %   Cl   -1.52 % -O=Cl2   
   Oxygen     40.66 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na21Mg(SO4)10Cl3
Help on Environment: Environment: Enclosed in bloedite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: Hall, near Innsbruck, Tyrol, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Jean D'Ans (1881-1969), German chemist, Technical University, Berlin.
Help on Name Pronunciation: Name Pronunciation: DAnsite Say DANSITE
Help on Synonym: Synonym: D'Ansite
 

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DAnsite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 15.913, Z = 4; V = 4,029.55 Den(Calc)= 2.59
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.807(1), 3.384(0.95), 3.117(0.9),
 

Physical Properties of DAnsite

Help on Color: Color: Colorless.
Help on Density: Density: 2.63 - 2.655, Average = 2.64
Help on Hardness: Hardness: 3 - Calcite
Help on Streak: Streak: white
 

Optical Properties of DAnsite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1884,KPDmeas= 0.1847,KC= 0.1951
Ncalc = 1.51 - 1.52
Help on Optical Data: Optical Data: Isotropic, n=1.488.
 

Calculated Properties of DAnsite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.55 gm/cc
note: Specific Gravity of DAnsite =2.59 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0032670669
Boson Index = 0.9967329331
Help on Photoelectric: Photoelectric: PEDAnsite = 2.19 barns/electron
U=PEDAnsite x rElectron Density= 5.59 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
DAnsite is Not Radioactive
 

DAnsite Classification

Help on  Dana Class: Dana Class: 30.01.10.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.01)where (A B)m (XO4)p Zq where m:p>2:1
  (30.01.10)Dana Group
 
30.01.10.01 DAnsite Na21Mg(SO4)10Cl3 I 43m 4 3m
Help on  Strunz Class: Strunz Class: 07.BC.05 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
 
07.BC.05 DAnsite Na21Mg(SO4)10Cl3 I 43m 4 3m
 

Other DAnsite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Dansite :
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 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Dansite Specimen Label here :

Dansite

Na21Mg(SO4)10Cl3
Dana No: 30.01.10.01 Strunz No: 07.BC.05
Locality:

 

Notes: