Ca Sn (Si O4) O

CaO₅SiSn

Higgins, J.B.Ross, F.K.

Crystal Structure Communications (1977) 6, 179-182

a=7.149Å   b=8.906Å   c=6.667Å

α=90°   β=113.4°   γ=90°

2300110

Foster, M. D.Treacy, M. M. J.Higgins, J. B.Rivin, I.Balkovsky, E.Randall, K. H.

Journal of Applied Crystallography (2005) 38, 6 1028-1030

a=30.960745Å   b=30.960745Å   c=7.519782Å

α=90.000000°   β=90.000000°   γ=120.000000°

Sapphirine

Al_5.655Mg_2.39O₁₀Si_1.455

Higgins, J. B.Ribbe, P. H.

Contributions to Mineralogy and Petrology (1979) 68, 357-368

a=11.286Å   b=14.438Å   c=9.957Å

α=90°   β=125.4°   γ=90°

Sapphirine

Al_5.655Mg_2.39O₁₀Si_1.455

Higgins, J. B.Ribbe, P. H.

Contributions to Mineralogy and Petrology (1979) 68, 357-368

a=11.286Å   b=14.438Å   c=9.957Å

α=90°   β=125.4°   γ=90°

Montesommaite

Al_0.58H_0.668KO_6.25Si_1.42

Rouse, R. C.Dunn, P. J.Grice, J. D.Schlenker, J. L.Higgins, J. B.

American Mineralogist (1990) 75, 1415-1420

a=7.141Å   b=7.141Å   c=17.307Å

α=90°   β=90°   γ=90°

Malayaite

CaO₅SiSn_0.95Ti_0.05

Higgins, J. B.Ribbe, P. H.

American Mineralogist (1977) 62, 801-806

a=7.149Å   b=8.906Å   c=6.667Å

α=90°   β=113.3°   γ=90°

Yoderite

Al_2.84Fe_0.16MgO₁₀Si₂

Higgins, J. B.Ribbe, P. H.Nakajima, Y.

American Mineralogist (1982) 67, 76-84

a=8.022Å   b=5.816Å   c=7.250Å

α=90°   β=104.9°   γ=90°

Yoderite

Al_2.84Fe_0.16MgO₁₀Si₂

Higgins, J. B.Ribbe, P. H.Nakajima, Y.

American Mineralogist (1982) 67, 76-84

a=8.027Å   b=5.805Å   c=7.252Å

α=90°   β=104.9°   γ=90°