Vesuvianite Mineral Data

Vesuvianite Mineral Data
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General Vesuvianite Information

Help on Chemical Formula: Chemical Formula: Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4
Help on Composition: Composition: Molecular Weight = 1,422.09 gm
   Calcium    28.18 %  Ca   39.43 % CaO
   Magnesium   3.42 %  Mg    5.67 % MgO
   Aluminum    7.59 %  Al   14.34 % Al2O3
   Silicon    17.77 %  Si   38.03 % SiO2
   Hydrogen    0.28 %  H     2.53 % H2O
   Oxygen     42.75 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca10Mg2Al4(Si2O7)2(SiO4)5(OH)4
Help on Environment: Environment: Contact metamorphic rocks and alpine veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1795
Help on Locality: Locality: Mte. Somma, Vesuvius, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Vesuvianite + Pronunciation Say VESUVIANITE
Help on Synonym: Synonym: ICSD 79151
  Idocrase
  PDF 38-473
 

Vesuvianite Image

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Vesuvianite

Comments: Clear, purple vesuvianite crystals.
Location: Jeffrey mine, Asbestos, Quebec, Canada. Scale: Crystal size 5x3.5x3 cm.
© Fabre Minerals
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Vesuvianite   Grossular

Comments: Blocky, tan-colored vesuvianite with white grossular (garnet).
Location: Sierra de la Cruz, Lago Jaco, Coahuila, Mexico. Scale: 3.5 x 4.5 cm.
© Fabre Minerals

Vesuvianite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.7616
Help on Cell Dimensions: Cell Dimensions: a = 15.504, c = 11.808, Z = 4; V = 2,838.34 Den(Calc)= 3.33
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.752(1), 2.593(0.8), 1.621(0.6),
Help on Forms: Forms:

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Forms: ( 1 1 1) ( 1 1 0) ( 0 0 1)

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Click Here for Large Vesuvianite Structure Window Crystal Structure:

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Fitzgerald S , Rheingold A L , Leavens P B , American Mineralogist , 71 (1986) p.1011-1014, Crystal structure of Cu-bearing vesuvianite

View Additional jPOWD Structure files for Vesuvianite
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [21] [22] [23] [24] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Vesuvianite

Help on Cleavage: Cleavage: {110} Indistinct, {100} Indistinct, {001} Indistinct
Help on Color: Color: Blue, Brown, Green, Yellow, White.
Help on Density: Density: 3.35 - 3.45, Average = 3.4
Help on Diaphaneity: Diaphaneity: Subtransparent to subtranslucent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Vesuvianite

Help on Dichroism (e): Dichroism (e): brown, colorless, or reddish brown.
Help on Dichroism (w): Dichroism (w): light gray, yellow green, or gray.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.021 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2161,KPDmeas= 0.2116,KC= 0.2115
Ncalc = 1.7 - 1.73
Help on Optical Data: Optical Data: Uniaxial (-), e=1.698-1.736, w=1.702-1.742, bire=0.0040-0.0060.
 

Calculated Properties of Vesuvianite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.39 gm/cc
note: Specific Gravity of Vesuvianite =3.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEVesuvianite = 4.44 barns/electron
U=PEVesuvianite x rElectron Density= 15.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vesuvianite is Not Radioactive
 

Vesuvianite Classification
Help on Dana Class: Dana Class: 58.02.04.01 (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)
  (58.02.04)Vesuvianite Group
 
58.02.04.01 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
 
58.02.04.02 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
 
58.02.04.03 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
 
58.02.04.04 Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m
Help on Strunz Class: Strunz Class: 09.BG.35 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
 
09.BG.35 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
 
09.BG.35 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
 
09.BG.35 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
 
09.BG.35 Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m
 

Other Vesuvianite 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 Vesuvianite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - CalTech Mineral Spectroscopy
7 - EUROmin Project
8 - Ecole des Mines de Paris
9 - Franklin Minerals(Dunn)
10 - Franklin Minerals(Palache)
11 - GeoScienceWorld
12 - Glendale Community College
13 - Google Images
14 - Google Scholar
15 - Handbook of Mineralogy (MinSocAm)
16 - Handbook of Mineralogy (UofA)
17 - HyperPhysics
18 - MinDAT
19 - Mineralienatlas (Deutsch)
20 - Minerals in Thin Section-University of North Carolina
21 - Online Mineral Museum
22 - QUT Mineral Atlas
23 - Ruff.Info
24 - Scandinavian mineral gallery
25 - UCLA - Petrography Thin-Sections
26 - WWW-MINCRYST
27 - YupRocks
28 - theimage

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

Vesuvianite

Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4
Dana No: 58.02.04.01 Strunz No: 09.BG.35
Locality:

 

Notes: