Mineralogy Database

Vuagnatite Mineral Data

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General Vuagnatite Information

Help on Chemical  Formula: Chemical Formula: CaAlSiO4(OH)
Help on Composition: Composition: Molecular Weight = 176.15 gm
   Calcium   22.75 %  Ca   31.84 % CaO
   Aluminum  15.32 %  Al   28.94 % Al2O3
   Silicon   15.94 %  Si   34.11 % SiO2
   Hydrogen   0.57 %  H     5.11 % H2O
   Oxygen    45.41 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAl(SiO4)(OH)
Help on Environment: Environment: In rodingitized dikes of pegmatitic anorthositic gabbro crosscutting harzburgite-serpentines in an ophiolite
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Bogurtlen Tepe Hill, 10 km northeast of Do�ganbaba, Taurus Mountains, Burdur Province, Turkey. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mark Bernard Vuagnat (1922- ), student of ophiolites, University of Geneva, Geneva, Switzerland.
Help on Name Pronunciation: Name Pronunciation: Vuagnatite + Pronunciation Say VUAGNATITE
Help on Synonym: Synonym: ICSD 12127
  PDF 29-289
 

Vuagnatite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Vuagnatite   Mcguinnessite

Comments: Translucent colorless vuagnatite microcrystals with mcguinnessite.
Location: Near Red Mountain, Mendocino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Vuagnatite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8259:1:0.6653
Help on Cell Dimensions: Cell Dimensions: a = 7.055, b = 8.542, c = 5.683, Z = 4; V = 342.48 Den(Calc)= 3.42
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.993(1), 2.635(0.7), 2.517(0.6),
 

Physical Properties of Vuagnatite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless, White, Light pink.
Help on Density: Density: 3.2 - 3.25, Average = 3.22
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Vuagnatite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.21,KPDmeas= 0.2227,KC= 0.2151
Ncalc = 1.69 - 1.74
Help on Optical Data: Optical Data: Biaxial (-), a=1.7, b=1.725, g=1.73, bire=0.0300, 2V(Calc)=46, 2V(Meas)=48.
 

Calculated Properties of Vuagnatite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.42 gm/cc
note: Specific Gravity of Vuagnatite =3.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0079718879
Boson Index = 0.9920281121
Help on Photoelectric: Photoelectric: PEVuagnatite = 3.86 barns/electron
U=PEVuagnatite x rElectron Density= 13.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vuagnatite is Not Radioactive
 

Vuagnatite Classification

Help on  Dana Class: Dana Class: 52.04.02.02 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.04)with cations in [6] and/or > [6] coordination
  (52.04.02)Vuagnatite group
 
52.04.02.01 Mozartite CaMnSiO4(OH) P 212121 2 2 2
 
52.04.02.02 Vuagnatite CaAlSiO4(OH) P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 09.AG.60 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AG -Nesosilicates with additional anions; cations in > [6] � [6] coordination
 
09.AG.60 Mozartite CaMnSiO4(OH) P 212121 2 2 2
 
09.AG.60 Vuagnatite CaAlSiO4(OH) P 212121 2 2 2
 

Other Vuagnatite Information

Help on References: References: NAME( AntBidBlaNic2) 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 Vuagnatite :
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
15 - WWW-MINCRYST

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

Vuagnatite

CaAlSiO4(OH)
Dana No: 52.04.02.02 Strunz No: 09.AG.60
Locality:

 

Notes:

 

 
   
 


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