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Riversideite Mineral Data

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General Riversideite Information

Help on Chemical  Formula: Chemical Formula: Ca5Si6O16(OH)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 694.94 gm
   Calcium   28.84 %  Ca   40.35 % CaO
   Silicon   24.25 %  Si   51.88 % SiO2
   Hydrogen   0.87 %  H     7.78 % H2O
   Oxygen    46.05 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5Si6O16(OH)2•2(H2O)
Help on Environment: Environment: Metamorphosed limestone.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1917
Help on Locality: Locality: Crestmore quarry, 5 miles NW of Riverside, Riverside Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
Help on Name Pronunciation: Name Pronunciation: Riversideite + Pronunciation Say RIVERSIDEITE
 

Riversideite Image

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  Riversideite

Comments: Opaque off-white finely fibrous riversideite veins in vesuvianite / grossular matrix.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Riversideite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.53:1:5.1606
Help on Cell Dimensions: Cell Dimensions: a = 5.571, b = 3.641, c = 18.79, Z = 1; V = 381.14 Den(Calc)= 3.03
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: B2212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.014(1), 3.15(0.19), 2.784(0.18),
 

Physical Properties of Riversideite

Help on Color: Color: White.
Help on Density: Density: 2.64
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Compact - Occurs as a compact mass.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Silky
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Riversideite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.041 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.093 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1987,KPDmeas= 0.228,KC= 0.2191
Ncalc = 1.58 - 1.66
Help on Optical Data: Optical Data: Biaxial (+), a=1.6, b=1.601, g=1.605, bire=0.0050
 

Calculated Properties of Riversideite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Riversideite =2.64 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PERiversideite = 4.45 barns/electron
U=PERiversideite x rElectron Density= 11.84 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Riversideite is Not Radioactive
 

Riversideite Classification

Help on  Dana Class: Dana Class: 72.03.02.04 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
  (72.03)with 3-, 4-, or 5-membered rings and 8-membered rings
  (72.03.02)Tobermorite group (5- & 8-membered rings)
 
72.03.02.01 Tobermorite Ca5Si6O16(OH)2•4(H2O) C 2221 2 2 2
 
72.03.02.02 Clinotobermorite Ca5Si6(O,OH)18•5(H2O) Cc,C 2/c Mono
 
72.03.02.03 Plombierite Ca5H2Si6O18•6H2O B11b 2
 
72.03.02.04 Riversideite Ca5Si6O16(OH)2•2(H2O) B2212 2 2 2
 
72.03.02.05 Okenite Ca3[Si6O15]•6(H2O) P1 or P1 Tri
 
72.03.02.06 Tacharanite Ca12Al2Si18O33(OH)36 A centered Mono
 
72.03.02.07 Nekoite Ca3Si6O15•7(H2O) P1 1
 
72.03.02.08 Oyelite Ca10B2Si8O29•12(H2O) B**** Ortho
Help on  Strunz Class: Strunz Class: 09.DG.10 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DG -Inosilicates with 3-periodic single and multiple chains
 
09.DG.10 Clinotobermorite Ca5Si6(O,OH)18•5(H2O) Cc,C 2/c Mono
 
09.DG.10 Riversideite Ca5Si6O16(OH)2•2(H2O) B2212 2 2 2
 
09.DG.10 Tobermorite Ca5Si6O16(OH)2•4(H2O) C 2221 2 2 2
 

Other Riversideite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Riversideite :
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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Print or Cut-and-Paste your Riversideite Specimen Label here :

Riversideite

Ca5Si6O16(OH)2•2(H2O)
Dana No: 72.03.02.04 Strunz No: 09.DG.10
Locality:

 

Notes:

 

 
   
 


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