Clinozoisite Mineral Data

Clinozoisite Mineral Data
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General Clinozoisite Information

Help on Chemical Formula: Chemical Formula: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)
Help on Composition: Composition: Molecular Weight = 454.36 gm
   Calcium   17.64 %  Ca   24.68 % CaO
   Aluminum  17.82 %  Al   33.66 % Al2O3
   Silicon   18.54 %  Si   39.67 % SiO2
   Hydrogen   0.22 %  H     1.98 % H2O
   Oxygen    45.78 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Al3(SiO4)3(OH)
Help on Environment: Environment: Metamorphic and contact metasomatic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1896 - Dana # changed from 58.2.1a.4
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its resemblance to zoisite and the monoclinic crystal form.
Help on Name Pronunciation: Name Pronunciation: Clinozoisite + Pronunciation Say CLINOZOISITE
Help on Synonym: Synonym: ICSD 66923
  PDF 44-1400
 

Clinozoisite Image

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Clinozoisite

Comments: Light pink stellate crystal cluster of clinozoisite.
Location: Sunnyside mine, Silverton District, San Juan County, Colorado, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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Clinozoisite

Comments: Brown, prismatic crystal of clinozoisite.
Location: Alchuri, Shigar Skardu district, Pakistan. Scale: Crystal size 7x2.3x1.2 cm.
© Fabre Minerals

Clinozoisite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.5921:1:1.812
Help on Cell Dimensions: Cell Dimensions: a = 8.98, b = 5.64, c = 10.22, Z = 2; beta = 115.4° V = 467.58 Den(Calc)= 3.23
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.89(1), 2.79(0.8), 2.59(0.7),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
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Drag1 - Manipulate Crystal
Drag2 - Resize
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I - Indicies
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Forms: ( 1 0 0) ( 1 1 1) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Clinozoisite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Dollase W A , American Mineralogist , 53 (1968) p.1882-1898, Refinement and comparison of the structures of zoisite and clinozoisite

View Additional jPOWD Structure files for Clinozoisite
[1] [2] [3] [4]
 

Physical Properties of Clinozoisite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, Green, Gray, Yellow green, Light yellow.
Help on Density: Density: 3.3 - 3.4, Average = 3.34
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 7 - Quartz
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: grayish white
 

Optical Properties of Clinozoisite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.056 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2226,KPDmeas= 0.2146,KC= 0.2108
Ncalc = 1.68 - 1.72
Help on Optical Data: Optical Data: Biaxial (+), a=1.706-1.724, b=1.708-1.729, g=1.712-1.735, bire=0.0060-0.0110, 2V(Calc)=72-86, 2V(Meas)=14-90. Dispersion r > v or r < v.
Help on Pleochroism (x): Pleochroism (x): colorless, yellow green, or yellow green.
Help on Pleochroism (y): Pleochroism (y): colorless, green, or pink.
Help on Pleochroism (z): Pleochroism (z): colorless, green, or red.
 

Calculated Properties of Clinozoisite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.33 gm/cc
note: Specific Gravity of Clinozoisite =3.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0091183238
Boson Index = 0.9908816762
Help on Photoelectric: Photoelectric: PEClinozoisite = 3.40 barns/electron
U=PEClinozoisite x rElectron Density= 11.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinozoisite is Not Radioactive
 

Clinozoisite Classification
Help on Dana Class: Dana Class: 58.02.01a.01 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.01a)Epidote group (Clinozoisite subgroup)
 
58.02.01a.01 Clinozoisite! Ca2Al3(SiO4)3(OH)=Ca2AlAl2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01a.02 Epidote! Ca2(Fe,Al)3(SiO4)3(OH)=Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01a.03 Epidote-(Pb)! (Ca,Pb,Sr)2(Al,Fe)3(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01a.04 Mukhinite Ca2Al2V(SiO4)3(OH) P 21/m 2/m
 
58.02.01a.05 Piemontite Ca2(Al,Mn,Fe)3(SiO4)3(OH)=Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01a.06 Piemontite-(Sr)! (Ca,Mn)(Sr,Ca)Mn(Al,Mn,Fe)2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01a.07 Manganipiemontite-(Sr)! CaSr(Mn,Fe)2Al[Si3O12](OH) P 21/m 2/m
 
58.02.01a.08 Gatelite-(Ce)! (Ca,Ce,La,Nd)4(Al,Mg,Fe)4[Si2O7][SiO4]3(O,F,OH)3 P 21/a 2/m
 
58.02.01a.09 Clinozoisite-(Sr)! CaSrAl3(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
58.02.01a.10 Uedaite-(Ce)! MnCeAl2Fe(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
58.02.01a.11 Epidote-(Sr)! CaSrAl2Fe(Si2O7)(SiO4)O(OH) P 21/m 2/m
Help on Strunz Class: Strunz Class: 09.BG.05a 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
 
09.BG.05a Clinozoisite Ca2Al3(SiO4)3(OH)=Ca2AlAl2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05a Epidote Ca2(Fe,Al)3(SiO4)3(OH)=Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05a Epidote-(Pb) (Ca,Pb,Sr)2(Al,Fe)3(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05a Mukhinite Ca2Al2V(SiO4)3(OH) P 21/m 2/m
 
09.BG.05a Piemontite Ca2(Al,Mn,Fe)3(SiO4)3(OH)=Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05a Piemontite-(Sr)! (Ca,Mn)(Sr,Ca)Mn(Al,Mn,Fe)2(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05a Manganipiemontite-(Sr)! CaSr(Mn,Fe)2Al[Si3O12](OH) P 21/m 2/m
 
09.BG.05a Clinozoisite-(Sr)! CaSrAl3(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
09.BG.05a Epidote-(Sr)! CaSrAl2Fe(Si2O7)(SiO4)O(OH) P 21/m 2/m
 

Other Clinozoisite 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 Clinozoisite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - CalTech Mineral Spectroscopy
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Dunn)
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - Minerals in Thin Sections-Humboldt State
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - University of Colorado - Mineral Structure Data
19 - WWW-MINCRYST

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Clinozoisite

Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)
Dana No: 58.02.01a.01 Strunz No: 09.BG.05a
Locality:

 

Notes: