Wollastonite-3A-4A-5A-7A Mineral Data

Wollastonite-3A-4A-5A-7A Mineral Data
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General Wollastonite-3A-4A-5A-7A Information

Help on Chemical Formula: Chemical Formula: CaSiO3
Help on Composition: Composition: Molecular Weight = 116.16 gm
   Calcium  34.50 %  Ca   48.28 % CaO
   Silicon  24.18 %  Si   51.72 % SiO2
   Oxygen   41.32 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaSiO3
Help on Environment: Environment: Wollastonite polymorph not recognized as a separate species.
Help on IMA Status: IMA Status: Not Approved IMA 1983
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the English mineralogist and chemist, W. H. Wollaston (1766-1828).
Help on Name Pronunciation: Name Pronunciation: Wollastonite-3A-4A-5A-7A + Pronunciation Say WOLLASTONITE-3A-4A-5A-7A
 

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Wollastonite-3A-4A-5A-7A Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0846:1:0.9658
Help on Cell Dimensions: Cell Dimensions: a = 7.94, b = 7.32, c = 7.07, Z = 6; alpha = 90.033°, beta = 95.367°, gamma = 103.433° V = 397.92 Den(Calc)= 2.91
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.314(1), 3.83(0.85), 3.52(0.8),
 

Physical Properties of Wollastonite-3A-4A-5A-7A

Help on Cleavage: Cleavage: {100} Perfect, {102} Good, {001} Good
Help on Color: Color: White, Yellow, Gray, Red, Brown.
Help on Density: Density: 2.8 - 2.9, Average = 2.84
Help on Diaphaneity: Diaphaneity: Subtransparent to translucent
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Silky
Help on Streak: Streak: white
 

Optical Properties of Wollastonite-3A-4A-5A-7A

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.074 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2198,KPDmeas= 0.2244,KC= 0.209
Ncalc = 1.59 - 1.61
Help on Optical Data: Optical Data: Biaxial (-), a=1.615-1.646, b=1.627-1.659, g=1.629-1.662, bire=0.0140-0.0160, 2V(Calc)=44-50, 2V(Meas)=40. Dispersion r > v distinct.
 

Calculated Properties of Wollastonite-3A-4A-5A-7A

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.91 gm/cc
note: Specific Gravity of Wollastonite-3A-4A-5A-7A =2.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEWollastonite-3A-4A-5A-7A = 5.15 barns/electron
U=PEWollastonite-3A-4A-5A-7A x rElectron Density= 14.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wollastonite-3A-4A-5A-7A is Not Radioactive
 

Wollastonite-3A-4A-5A-7A Classification
Help on Dana Class: Dana Class: 65.02.01.01c (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.02)with chains P=3
  (65.02.01)Wollastonite group
 
65.02.01.01a Wollastonite-1A CaSiO3 P1 1
 
65.02.01.01b Wollastonite-2M* CaSiO3 P 21 2
 
65.02.01.01c Wollastonite-3A-4A-5A-7A* CaSiO3 P1 1
 
65.02.01.02 Bustamite (Mn,Ca)3Si3O9 P1 1
 
65.02.01.03 Ferrobustamite Ca(Fe,Ca,Mn)Si2O6 P1 1
 
65.02.01.04 Pectolite NaCa2Si3O8(OH) P1 1
 
65.02.01.05 Serandite Na(Mn,Ca)2Si3O8(OH) P1 1
 
65.02.01.06 Cascandite Ca(Sc,Fe)Si3O8(OH) C1 1
 
65.02.01.07 Denisovite (K,Na)Ca2Si3O8(F,OH) Mono
 
65.02.01.08 Tanohataite! LiMn2Si3O8(OH) P1 1
Help on Strunz Class: Strunz Class: 09.DG.05 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DG -Inosilicates with 3-periodic single and multiple chains
 
09.DG.05 Bustamite (Mn,Ca)3Si3O9 P1 1
 
09.DG.05 Ferrobustamite Ca(Fe,Ca,Mn)Si2O6 P1 1
 
09.DG.05 Pectolite NaCa2Si3O8(OH) P1 1
 
09.DG.05 Wollastonite-3A-4A-5A-7A* CaSiO3 P1 1
 
09.DG.05 Wollastonite-1A CaSiO3 P1 1
 
09.DG.05 Wollastonite-2M* CaSiO3 P 21 2
 
09.DG.05 Serandite Na(Mn,Ca)2Si3O8(OH) P1 1
 

Other Wollastonite-3A-4A-5A-7A Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Wollastonite-3A-4A-5A-7A :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info
11 - University of Colorado - Mineral Structure Data

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Print or Cut-and-Paste your Wollastonite-3A-4A-5A-7A Specimen Label here :

Wollastonite-3A-4A-5A-7A

CaSiO3
Dana No: 65.02.01.01c Strunz No: 09.DG.05
Locality:

 

Notes: