Mineralogy Database

Mozartite Mineral Data

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General Mozartite Information

Help on Chemical  Formula: Chemical Formula: CaMn+++SiO4(OH)
Help on Composition: Composition: Molecular Weight = 204.11 gm
   Calcium    19.64 %  Ca   27.47 % CaO
   Manganese  26.92 %  Mn   38.67 % Mn2O3
   Silicon    13.76 %  Si   29.44 % SiO2
   Hydrogen    0.49 %  H     4.41 % H2O
   Oxygen     39.19 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMn3+(SiO4)(OH)
Help on Environment: Environment: Found intergrown with pectolite. Isostructural with vuagnatite and adelite group minerals.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Circhiara mine, near Faggiona, Val di Vara, La Spezia, eastern Liguria, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Wolfgang Amadeus Mozart (1756-1791) and his opera "The Magic Flute". The mineral was first noted in 1991, the 200th annivarsary of the composer's death.
Help on Name Pronunciation: Name Pronunciation: Mozartite + Pronunciation Say MOZARTITE
Help on Synonym: Synonym: ICSD 75925
  PDF 46-1432

Mozartite Image

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Comments: Massive, crystalline mozartite.
Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 9.5 x 9.7 cm.
© John Veevaert

Mozartite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8081:1:1.2029
Help on Cell Dimensions: Cell Dimensions: a = 5.838, b = 7.224, c = 8.69, Z = 4; V = 366.49 Den(Calc)= 3.70
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): 2.584(1), 5.558(0.86), 3.07(0.73),

Physical Properties of Mozartite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark red, Reddish brown.
Help on Density: Density: 3.64
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: red

Optical Properties of Mozartite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.043 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.059 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2356,KPDmeas= 0.2395,KC= 0.2503
Ncalc = 1.91 - 1.93
Help on Optical Data: Optical Data: Biaxial (+), a=1.84, b=1.855, g=1.92, bire=0.0800, 2V(Calc)=54, 2V(Meas)=50-52.8.
Help on Pleochroism (x): Pleochroism (x): yellow brown.
Help on Pleochroism (y): Pleochroism (y): yellow.
Help on Pleochroism (z): Pleochroism (z): orange red.

Calculated Properties of Mozartite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.57 gm/cc
note: Specific Gravity of Mozartite =3.64 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0068799767
Boson Index = 0.9931200233
Help on Photoelectric: Photoelectric: PEMozartite = 9.80 barns/electron
U=PEMozartite x rElectron Density= 34.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mozartite is Not Radioactive

Mozartite Classification

Help on  Dana Class: Dana Class: (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 Mozartite CaMnSiO4(OH) P 212121 2 2 2 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 Mozartite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.79,p388,1994) OPTIC PROP.(Am.Min.,Vol.79,p388,1994)
Help on See Also: See Also: Links to other databases for Mozartite :
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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Dana No: Strunz No: 09.AG.60





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