Kamaishilite

A valid IMA mineral species

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Site of beneficiation plant

Kamaishi mine, Kamaishi City, Iwate Prefecture, Japan

Formula:

Ca₂(Al₂SiO₆)(OH)₂

Colour:

colourless

Specific Gravity:

2.82 (Calculated)

Crystal System:

Tetragonal

Name:

Named in 1981 by E. Uchida and J.T. Iiyama after the type locality, Kamaishi mine, Japan.

Type Locality:

ⓘ Kamaishi mine, Kamaishi City, Iwate Prefecture, Japan

Dimorph of:

Bicchulite

This page provides mineralogical data about Kamaishilite.

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Unique IdentifiersHide

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Mindat ID:

2144

Long-form identifier:

mindat:1:1:2144:5

GUID
(UUID V4):

4dc72460-25c5-4824-ad00-31ba5a0435cb

Classification of KamaishiliteHide

Mineral SymbolsHide

Physical Properties of KamaishiliteHide

Optical Data of KamaishiliteHide

Type:

Uniaxial (-)

RI values:

n_ω = 1.629 n_ε = 1.629

Max Birefringence:

δ = 0.000

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Pleochroism:

Weak

Comments:

Isotropic, nearly.

Chemical Properties of KamaishiliteHide

Crystallography of KamaishiliteHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of KamaishiliteHide

Synonyms of KamaishiliteHide

Other Language Names for KamaishiliteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for KamaishiliteHide

References for KamaishiliteHide

Reference List:

Uchida, E., Iiyama, J.T. (1981) On kamaishilite, Ca2Al2SiO6(OH)2, a new mineral dimorphous (tetragonal) with bicchulite from the Kamaishi mine, Japan. Proceedings of the Japan Academy: 57B: 239-243.

Uchida, E., Iiyama, J.T. (1981) On kamaishilite, Ca2Al2SiO6(OH)2, a new mineral dimorphous (tetragonal) with bicchulite from the Kamaishi mine, Japan. Proceedings of the Japan Academy: 57B: 239-243.

Fleischer, Michael, Chao, George Y., Mandarino, Joseph A. (1982) New mineral names. American Mineralogist, 67. 854-860 p.855

Localities for KamaishiliteHide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Japan (TL)
Iwate Prefecture Kamaishi City ⓘ Kamaishi mine (TL)	Uchida, E., & Iiyama, J. T. (1981) On Kamaishilite, Ca2Al2Si06(OH)2, a New Mineral Dimorphous (Tetragonal) with Bicchulite from the Kamaishi Mine, Japan. Proc. Japan. Acad.(1981) 57B, 239-243
Romania
Hunedoara County ⓘ Cornet Hill	Pascal, M.-L., Fonteilles, M., Verkaeren, J., Piret, R., Marincea, S. (2001) The melilite-bearing high-temperature skarns of the Aouseni Mountains, Carpathians, Romania. The Canadian Mineralogist: 39: 1405-1434.