Mineralogy Database

Cesanite Mineral Data

Search Webmineral :

General Cesanite Information

Help on Chemical  Formula: Chemical Formula: Na7Ca3(SO4)6(OH)•0.8(H2O)
Help on Composition: Composition: Molecular Weight = 888.96 gm
   Sodium    18.10 %  Na   24.40 % Na2O
   Calcium   13.53 %  Ca   18.92 % CaO
   Hydrogen   0.29 %  H     2.63 % H2O
   Sulfur    21.64 %  S    54.04 % SO3
   Oxygen    46.43 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na7Ca3(SO4)6(OH)•0.8(H2O)
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Core samples from the Cesano-I geothermal well, Cesano area, Latium, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Synonym: Synonym: ICSD 31251
  PDF 35-506

Cesanite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.73008
Help on Cell Dimensions: Cell Dimensions: a = 9.463, c = 6.9088, Z = 1; V = 535.79 Den(Calc)= 2.75
Help on Crystal System: Crystal System: Hexagonal - Trigonal Dipyramidal H-M Symbol (6) Space Group: P 6
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.727(1), 3.448(0.87), 3.896(0.66),

Physical Properties of Cesanite

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.786
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Streak: Streak: white

Optical Properties of Cesanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.067 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.081 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2062,KPDmeas= 0.2035,KC= 0.1907
Ncalc = 1.52 - 1.53
Help on Optical Data: Optical Data: Uniaxial (-), e=1.564, w=1.57, bire=0.0060.

Calculated Properties of Cesanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.77 gm/cc
note: Specific Gravity of Cesanite =2.79 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0020291221
Boson Index = 0.9979708779
Help on Photoelectric: Photoelectric: PECesanite = 3.26 barns/electron
U=PECesanite x rElectron Density= 9.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cesanite is Not Radioactive

Cesanite Classification

Help on  Dana Class: Dana Class: (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.03)with miscellaneous formulae
  (30.03.03)Dana Group Cesanite Na7Ca3(SO4)6(OH)•0.8(H2O) P 6 6 Aiolosite! Na4Bi(SO4)3Cl P 63/m 6/m
Help on  Strunz Class: Strunz Class: 07.BD.20 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BD -With only large cations
07.BD.20 Cesanite Na7Ca3(SO4)6(OH)•0.8(H2O) P 6 6
07.BD.20 Caracolite Na3Pb2(SO4)3Cl P 21/m 2/m

Other Cesanite Information

Help on References: References: NAME( AmMin, Vol 87, p 715) PHYS. PROP.(AmMin, Vol 87, p 715) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Cesanite :
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

Search for Cesanite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Cesanite :

Ask about Cesanite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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


Dana No: Strunz No: 07.BD.20





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.