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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

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
(Mg,Fe)Si
 
7
(O,OH,F)
 
28
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(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.

Articles/Blogs about Malayaite

Internet Links for Malayaite

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  • Raman and XRD data at RRUFF project
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  • Search for Malayaite in the Natural History Museum (London) online catalogue
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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.
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    (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
    		Šrein, V., Litochleb, J., Šreinová, B.: Vybrané skarnové a sblížené metamorfogenní mineralizace Českého masívu. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1998, roč. 6, s. 132-146.
    • 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
            • 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
    		pers. comm. Kotaro Watanabe, 9-11-2000
      • Oita Prefecture
    		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
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    • 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)
    		Am Min 62:801-806 [Specimen in the Natural History Museum, London]
    Mineral and/or Locality
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