Structures by: Ventura G. D.

Total: 3

Gadolinite-(Y)

B0.8Be1.08Ca0.8Ce0.24Dy0.04Er0.02Eu2Fe0.71Gd0.04La0.06Li0.35Mg0.02Mn0.03Nd0.16O10Pr0.04Si2Sm0.04Th0.14U0.02Y0.38Yb0.02

Camara, F.Oberti, R.Ottolini, L.Ventura, G. D.Bellatreccia, F.

American Mineralogist (2008) 93, 996-1004

a=4.7708Å   b=7.6229Å   c=9.8975Å

α=90°   β=90.017°   γ=90°

Stillwellite-(Ce)

BCa0.01Ce0.49La0.35Nd0.07O6Pr0.03SiSm0.01Th0.05

Burns, P. C.Hawthorne, F. C.MacDonald, D. J.Ventura, G. D.Parodi, G.

The Canadian Mineralogist (1993) 31, 147-152

a=6.841Å   b=6.841Å   c=6.702Å

α=90°   β=90°   γ=120°

Asbecasite

As6Be2Ca3O20Si2Ti

Sacerdoti, M.Parodi, G. C.Mottana, A.Maras, A.Ventura, G. D.

Mineralogical Magazine (1993) 57, 315-322

a=8.318Å   b=8.318Å   c=15.264Å

α=90°   β=90°   γ=120°