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Mozartite

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Wolfgang Amadeus Mozart
Formula:
CaMn3+(SiO4)(OH)
Colour:
Reddish brown to deep red
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
3.63
Crystal System:
Orthorhombic
Name:
For Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), was a prolific and influential composer of the Classical era. Mineral was discovered 200 years after his death.
A rare mineral in some metamorphosed manganese deposits.

Please note that many samples marketeted as Mozartite from India are actually apophyllite with dense inclusions of celadonite and other clays, with no evidence for true Mozartite.


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Classification of MozartiteHide

Approved
9.AG.60

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
52.4.2.1

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination

Pronounciation of MozartiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of MozartiteHide

Vitreous
Transparency:
Transparent
Colour:
Reddish brown to deep red
Streak:
Red
Hardness:
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
3.63(4) g/cm3 (Measured)    3.68 g/cm3 (Calculated)

Optical Data of MozartiteHide

Type:
Biaxial (+)
RI values:
nα = 1.840(5) nβ = 1.855(5) nγ = 1.920(5)
2V:
Measured: 50° to 52.8°, Calculated: 54°
Max Birefringence:
δ = 0.080
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong
Pleochroism:
Strong
Comments:
X= yellow-brown
Y= yellow
Z= red-orange

Chemical Properties of MozartiteHide

Formula:
CaMn3+(SiO4)(OH)
IMA Formula:
CaMn3+SiO4(OH)
Common Impurities:
Mg,Al

Crystallography of MozartiteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
P21 21 21
Cell Parameters:
a = 5.838(1) Å, b = 7.224(1) Å, c = 8.690(1) Å
Ratio:
a:b:c = 0.808 : 1 : 1.203
Unit Cell V:
366.49 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Subhedral crystals, short prismatic

Type Occurrence of MozartiteHide

Geological Setting of Type Material:
Manganese deposit in ophiolitic metachert.
Associated Minerals at Type Locality:

Synonyms of MozartiteHide

Other Language Names for MozartiteHide

German:Mozartit
Spanish:Mozartita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Fluorapophyllite-(K)9 photos of Mozartite associated with Fluorapophyllite-(K) on mindat.org.
Chlorite Group2 photos of Mozartite associated with Chlorite Group on mindat.org.
Calcite2 photos of Mozartite associated with Calcite on mindat.org.
Pectolite1 photo of Mozartite associated with Pectolite on mindat.org.
Andradite1 photo of Mozartite associated with Andradite on mindat.org.
Apophyllite1 photo of Mozartite associated with Apophyllite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AG.05AbswurmbachiteCuMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05BrauniteMn2+Mn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05NeltneriteCaMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05Braunite-IICaMn3+14(SiO4)O20Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.10LångbaniteMn2+4Mn3+9Sb5+O16(SiO4)2Trig. 3m : P3m1
9.AG.15MalayaiteCaSn(SiO4)OMon.
9.AG.15TitaniteCaTi(SiO4)OMon. 2/m : P21/b
9.AG.15VanadomalayaiteCaV4+(SiO4)OMon.
9.AG.15Natrotitanite(Na0.5Y0.5)Ti(SiO4)OMon. 2/m : B2/b
9.AG.15ŻabińskiiteCa[Al0.5(Ta,Nb)0.5)](SiO4)OTric. 1
9.AG.20Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Cerite-(La)(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Aluminocerite-(Ce)(Ce,La,Ca)9(Al,Fe3+)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.25Trimounsite-(Y)Y2Ti2(SiO4)O5Mon.
9.AG.25Yftisite-(Y)(Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6
9.AG.25Mieite-(Y)Y4Ti(SiO4)2O[F,(OH)]6Orth. mmm (2/m 2/m 2/m) : Cmcm
9.AG.30SitinakiteKNa2Ti4(SiO4)2O5(OH) · 4H2OTet.
9.AG.35KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2OHex.
9.AG.40aNatisiteNa2Ti(SiO4)OTet.
9.AG.40bParanatisiteNa2Ti(SiO4)OOrth.
9.AG.45Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
9.AG.45Törnebohmite-(La)(La,Ce)2Al(SiO4)2(OH)
9.AG.50Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5
9.AG.55ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
9.AG.60VuagnatiteCaAl(SiO4)(OH)Orth.
9.AG.65HatruriteCa3(SiO4)OTrig.
9.AG.70JasmunditeCa11(SiO4)4O2STet. 4 2m : I4m2
9.AG.75AfwilliteCa3(HSiO4)2 · 2H2OMon. m : Bb
9.AG.80BultfonteiniteCa2(HSiO4)F · H2OTric.
9.AG.85ZoltaiiteBaV4+2V3+12(SiO4)2O19Trig. 3 : P3
9.AG.90Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Related Minerals - Dana Grouping (8th Ed.)Hide

52.4.2.2VuagnatiteCaAl(SiO4)(OH)Orth.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MozartiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Canadian Mineralogist (1993): 31: 331-336.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for MozartiteHide

Localities for MozartiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
India
 
  • Maharashtra
Ottens, B. (2011): Indien: Mineralien, Fundorte, Lagerstätten. Chr. Weise Verlag, Munich, Germany, 384 pp. (in German); Van King
    • Nashik District (Nasik District)
      • Sinnar
Ottens, B. (2011): Indien: Mineralien, Fundorte, Lagerstätten. Chr. Weise Verlag, Munich, Germany, 384 pp. (in German);
Italy (TL)
 
  • Liguria
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
[MinRec 32:211; Canadian Mineralogist:31:331-336.
Japan
 
  • Shikoku Island
    • Ehime Prefecture
Minakawa (1995) Abstracts of the Meeting of the Mineralogical Society of Japan, 75.
South Africa
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
Minerals of South Africa
      • Kuruman
        • N'Chwaning Mines
Minerals of South Africa
Mineral and/or Locality  
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