Mineralogy Database

Clinophosinaite Mineral Data

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General Clinophosinaite Information

Help on Chemical  Formula: Chemical Formula: Na3CaPSiO7
Help on Composition: Composition: Molecular Weight = 288.86 gm
   Sodium      23.88 %  Na   32.18 % Na2O
   Strontium    3.03 %  Sr    3.59 % SrO
   Calcium     13.87 %  Ca   19.41 % CaO
   Silicon      9.72 %  Si   20.80 % SiO2
   Phosphorus  10.72 %  P    24.57 % P2O5
   Oxygen      38.77 %  O
              ______        ______ 
              100.00 %      100.55 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3CaSr0.1PSiO7
Help on Environment: Environment: Alteration product of eudialyte in alkalic pegmatites in a differentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1981 ( Dana # Added)
Help on Locality: Locality: In Russia, on Mts. Yukspor and Koashva, Khibiny massif, Kola Peninsula. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the crystalline system and the relationship with the phosinaite.
Help on Synonym: Synonym: ICSD 200927
  PDF 35-485

Clinophosinaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5985:1:1.206
Help on Cell Dimensions: Cell Dimensions: a = 7.303, b = 12.201, c = 14.715, Z = 8; beta = 91.933° V = 1,310.42 Den(Calc)= 2.93
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.724(1), 2.639(0.57), 2.031(0.5),2.55(0.5), 1.823(0.47), 1.838(0.35), 3.97(0.12),

Physical Properties of Clinophosinaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light violet.
Help on Density: Density: 2.85 - 2.88, Average = 2.86
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Clinophosinaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.004 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.019 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1917,KPDmeas= 0.196,KC= 0.1953
Ncalc = 1.56 - 1.57
Help on Optical Data: Optical Data: Biaxial (+), a=1.557, b=1.561, g=1.567, bire=0.0100, 2V(Calc)=80, 2V(Meas)=80.

Calculated Properties of Clinophosinaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Clinophosinaite =2.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0070371994
Boson Index = 0.9929628006
Help on Photoelectric: Photoelectric: PEClinophosinaite = 6.25 barns/electron
U=PEClinophosinaite x rElectron Density= 17.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinophosinaite is Not Radioactive

Clinophosinaite Classification

Help on  Dana Class: Dana Class: (60)Cyclosilicate Four-Membered Rings
  (60.02)with other anion groups
  (60.02.03)Dana Group Clinophosinaite! Na3CaPSiO7 P 2/c 2/m
Help on  Strunz Class: Strunz Class: 09.CF.15 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CF -[Si4O12]8- 4-membered single rings, with insular complex anions
09.CF.15 Clinophosinaite! Na3CaPSiO7 P 2/c 2/m
09.CF.15 Phosinaite-(Ce)! Na13Ca2Ce[Si4O12](PO4)4 P 22121 2 2 2

Other Clinophosinaite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Clinophosinaite :
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

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Dana No: Strunz No: 09.CF.15





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