Clinotobermorite Mineral Data

Clinotobermorite Mineral Data
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General Clinotobermorite Information

Help on Chemical Formula: Chemical Formula: Ca5Si6(O,OH)18•5(H2O)
Help on Composition: Composition: Molecular Weight = 751.00 gm
   Calcium   26.68 %  Ca   37.34 % CaO
   Silicon   22.44 %  Si   48.00 % SiO2
   Hydrogen   1.88 %  H    16.79 % H2O
   Oxygen    49.00 %  O
            ______        ______ 
            100.00 %      102.13 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5Si6O14(OH)4•5(H2O)
Help on Environment: Environment: A vein-forming mineral in gehlenite-spurrite skarns. Low-temperature polymorph of tobermorite.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Fuka, Bitchucho, Okayama Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the monoclinic polymorph of tobermorite.
Help on Synonym: Synonym: ICSD 403090
  IMA1990-005
  PDF 45-1479
 

Clinotobermorite Image

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Clinotobermorite

Comments: Opaque white pure massive clinotobermorite.
Location: Bazhenovskoe, Asbest, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinotobermorite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.541:1:3.083
Help on Cell Dimensions: Cell Dimensions: a = 11.331, b = 7.353, c = 22.67, Z = 4; beta = 96.59° V = 1,876.31 Den(Calc)= 2.66
Help on Crystal System: Crystal System: MonoclinicSpace Group: Cc,C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 11.25(1), 2.794(0.6), 3.034(0.6),
Click Here for Large Clinotobermorite Structure Window Crystal Structure:

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Merlino S , Bonaccorsi E , Armbruster T , American Mineralogist , 84 (1999) p.1613-1621, Tobermorites: Their real structure and order-disorder (OD) character

View Additional jPOWD Structure files for Clinotobermorite
[1] [2] [3]
 

Physical Properties of Clinotobermorite

Help on Cleavage: Cleavage: {001} Perfect, {100} Poor
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.58
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Clinotobermorite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.045 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.074 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.218,KPDmeas= 0.2248,KC= 0.2353
Ncalc = 1.61 - 1.63
Help on Optical Data: Optical Data: Biaxial (+/-), a=1.575, b=1.58, g=1.585, bire=0.0100, 2V(Calc)=88, 2V(Meas)=89.8.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Clinotobermorite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.62 gm/cc
note: Specific Gravity of Clinotobermorite =2.58 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEClinotobermorite = 4.11 barns/electron
U=PEClinotobermorite x rElectron Density= 10.78 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinotobermorite is Not Radioactive
 

Clinotobermorite Classification
Help on Dana Class: Dana Class: 72.03.02.02 (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 Clinotobermorite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Clinotobermorite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Clinotobermorite

Ca5Si6(O,OH)18•5(H2O)
Dana No: 72.03.02.02 Strunz No: 09.DG.10
Locality:

 

Notes: