Forsterite

Mg₂O₄Si

Kirfel, A.Lippmann, T.Blaha, P.Schwarz, K.Cox, D. F.Rosso, K. M.Gibbs, G. V.

Physics and Chemistry of Minerals (2005) 32, 301-313

a=4.752Å   b=10.192Å   c=5.978Å

α=90°   β=90°   γ=90°