Gillespite

CaCrO₁₀Si₄

Belsky, H. L.Rossman, G. R.Prewitt, C. T.Gasparik, T.

American Mineralogist (1984) 69, 771-776

a=7.378Å   b=7.378Å   c=15.119Å

α=90°   β=90°   γ=90°