Hornblende

AlCa_1.66F_0.2Fe_1.33H₂K_0.015Mg_3.49Mn_0.02Na_0.625O_23.8Si_7.28Ti_0.06

Mancini, F.Sillanpaa, R.Marshall, B.Papunen, H.

The Canadian Mineralogist (1996) 34, 835-844

a=9.857Å   b=18.112Å   c=5.309Å

α=90°   β=104.81°   γ=90°