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Malayaite

Big Photo

Ash Mountain, Tuya Range, Atlin Mining Division, British Columbia, Canada
© Knut Eldjarn

Formula:
CaSn[O|SiO
 
4
]
System:MonoclinicColour:Pale creamy-yellow, deep ...
Hardness:3½ - 4
Name:Named after the type locality, the Malay peninsula (Malaysia).


Titanite Group.

The tin (Sn4+) analogue of Titanite.

Classification of Malayaite

IMA status:Approved 1964
Strunz 8th edition ID:8/B.12-20
Nickel-Strunz 10th (pending) edition ID:9.AG.15

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
Dana 8th edition ID:52.4.3.2

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
Hey's CIM Ref.:14.12.2

14 : Silicates not Containing Aluminum
12 : Silicates of Sn
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Type Occurrence of Malayaite

Type Locality:Sungei Lah (Sungei Lok), Chenderiang, Balang Padang, Perak, Malaysia
Year of Discovery:1965

Physical Properties of Malayaite

Colour:Pale creamy-yellow, deep orange-yellow
Hardness (Mohs):3½ - 4

Crystallography of Malayaite

Crystal System:Monoclinic
Cell Parameters:a = 7.15Å, b = 8.89Å, c = 6.66Å
β = 113.4°
Ratio:a:b:c = 0.804 : 1 : 0.749
Unit Cell Volume:V 388.52 ų (Calculated from Unit Cell)

Optical Data of Malayaite

Type:Biaxial (-)
RI values: nα = 1.765 nβ = 1.784 nγ = 1.799
Maximum Birefringence:δ = 0.034

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:none

Chemical Properties of Malayaite

Formula:
CaSn[O|SiO
 
4
]
Essential elements:Ca, O, Si, Sn
All elements listed in formula:Ca, O, Si, Sn
Common Impurities:Fe

Relationship of Malayaite to other Species

Member of Group:
Titanite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.AG.05Abswurmbachite
CuMn
3+
6
O
 
8
(SiO
 
4
)
9.AG.05Braunite
Mn
2+
 
Mn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Neltnerite
CaMn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Braunite-II
CaMn
3+
14
SiO
 
24
9.AG.10Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
[O
 
8
|SiO
 
4
]
 
2
9.AG.15Titanite
CaTi[O|SiO
 
4
]
9.AG.15Vanadomalayaite
CaV
4+
 
[O|SiO
 
4
]
9.AG.20Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Aluminocerite-(Ce)
(Ce,La,Ca)
 
9
(Al,Fe
3+
 
)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.25Trimounsite-(Y)
Y
 
2
Ti
 
2
[O
 
5
|SiO
 
4
]
9.AG.25Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)O(SiO
 
4
)
 
2
(F,OH)
 
6
9.AG.30Sitinakite
KNa
 
2
Ti
 
4
Si
 
2
O
 
13
(OH)·2H
 
2
O
9.AG.35Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
·9H
 
2
O
9.AG.40aNatisite
Na
 
2
Ti[O|SiO
 
4
]
9.AG.40bParanatisite
Na
 
2
Ti[O|SiO
 
4
]
9.AG.45Törnebohmite-(Ce)
(Ce,La)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.45Törnebohmite-(La)
(La,Ce)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.50Kuliokite-(Y)
Y
 
4
Al(SiO
 
4
)
 
2
(OH)
 
2
F
 
5
9.AG.55Chantalite
CaAl
 
2
[(OH)
 
4
|SiO
 
4
]
9.AG.60Mozartite
CaMn
3+
 
[OH|SiO
 
4
]
9.AG.60Vuagnatite
CaAl[OH|SiO
 
4
]
9.AG.65Hatrurite
Ca
 
3
[O|SiO
 
4
]
9.AG.70Jasmundite
Ca
 
11
[O
 
2
|S|(SiO
 
4
)
 
4
]
9.AG.75Afwillite
Ca
 
3
[HSiO
 
4
]
 
2
 · 2H
 
2
O
9.AG.80Bultfonteinite
Ca
 
2
[F|HSiO
 
4
] · H
 
2
O
9.AG.85Zoltaiite
BaV
4+
2
V
3+
12
Si
 
2
O
 
27
9.AG.90Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
[O
 
4
|SiO
 
4
]
 
3
Related Minerals - Hey's Index Grouping:

- +
14.12.1Brannockite
(K,Na)Li
 
3
Sn
 
2
Si
 
12
O
 
30
14.12.3Stokesite
CaSn[Si
 
3
O
 
9
] · 2H
 
2
O
14.12.4Pabstite
Ba(Sn,Ti)[Si
 
3
O
 
9
]

Other Names for Malayaite

Synonyms:
IMA1964-024
Other Languages:
German:Malayait
Russian:Малаяит
Spanish:Malayaita

Other Information

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

References for Malayaite

Reference List:American Mineralogist (1966): 51: 1551.

American Mineralogist (1977): 62: 801-806.

Internet Links for Malayaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Malayaite in the Natural History Museum (London) online catalogue
  • Malayaite details from Handbook of Mineralogy (PDF)
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    Localities for Malayaite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Tasmania
      • Hampshire district
        • Kara Mines
    		http://www.homestead.com/rbottrill/files/KARA-mins.htm
    Canada
     
    • British Columbia
      • Atlin Mining Division
        • Tuya Range
    		No reference listed
    • Yukon Territory
      • Watson Lake Mining District
        • Cassiar Mts
          • Screw Creek
    		Rocks & Min.: 60(1):13.
    China
     
    • Guangxi Zhuang Autonomous Region
      • Hechi Prefecture
        • Nandan Co.
    • Jiangxi Province
      • Jiujiang Prefecture
        • De'an Co.
    		Shudong Lu, Yangsong Du, E Xiao, and Chunwei Xu (2005): Geotectonica et Metallogenia 29(1), 71-83.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Krkonoše Mts (Riesengebirge)
    		Šrein, V.: Malayait z Obřího dolu – první nález v ČSSR. Časopis pro mineralogii a geologii, 1985, roč. 30, č. 3, s. 330.
    • Moravia (Mähren; Maehren)
      • Vysočina Region
    		Houzar, S., Novák, M., Doležalová, H., Hrazdil, V., Pfeiferová, A.: Přehled mineralogie, petrografie a geologie nedvědických mramorů, svratecké krystalinikum. Acta Musei Moraviae, Sci. geol., 2006, roč. 91, s. 3-77.
    Germany
     
    • Saxony
      • Erzgebirge
        • Ehrenfriedersdorf
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Vigezzo Valley
            • Druogno
              • Orcesco
    		Guelfi F., Orlandi P., Vezzalini G.(1985) : La malayaite della Val Vigezzo (Novara). Atti Soc. Tosc. Sc.Nat. Mem. serie A,92, 255-258 and: Mattioli V. (1987) - Novità mineralogiche in Val d'Ossola - Rivista Mineralogica Italiana, Milano, fasc. 1, pp.1-11
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
    		Matsueda, H. (1980) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 5, #4, 15-77.; Matsueda, H. (1980) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 5, #4, 15-77.
        • Shimane Prefecture
        • Yamaguchi Prefecture
          • Iwakuni City
    		Alfredo Petrov - unpublished
    • Kyushu Island
      • Miyazaki Prefecture
        • Takachiho
    		Miyahisa et al (1975) Ganseki-Koubutsu-Koshogaku Zasshi, 70, 25-29.
      • Oita Prefecture
        • Ono-gun
    		No reference listed
    Malaysia
     
    • Perak
      • Balang Padang
        • Chenderiang
    		[Min.Mag.(1965) 35, 622-627; Nickel & Nichols, 1991 - "Mineral Reference Manual", p127]
    Morocco
     
    • Meknès-Tafilalet Region
      • Meknès Prefecture
        • Meknès
          • Mount Hammam
    		Econ Geol (1989) 84:575-590
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • El Hammam (El Hamman)
    		Ph. M. Sonnet : "Burtite, Calcium Hexahydrostannate, a New Mineral from El Hamman, Central Morocco", Canadian Mineralogist, Vol. 19, 1981, pp. 397-401.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Rudawy Janowickie Mts
        • Czarnów
          • Rędziny
    		Pieczka A., Gołębiowska B., Parafiniuk J. 2006: The stannite-group minerals from Rędziny (Lower Silesia, Poland). Mineralogia Polonica - Special Papers, vol. 28, 175 - 177
    UK
     
    • England
      • Cornwall
        • St Just District
          • Botallack - Pendeen Area
            • Botallack
    		No reference listed
      • Devon
        • Okehampton area (Northern Dartmoor)
    		Mineralogical Magazine 1966 35 : 1017-1018
    Am Min 62:801-806 [Specimen in the Natural History Museum, London]
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 28th Oct 2009 07:42:44