Structures by: Owens D. R.
Total: 3
Th Ca2 (Si8 O20)
Ca2O20Si8Th
Canadian Mineralogist (1982) 20, 65-75
a=7.483Å b=7.483Å c=14.893Å
α=90° β=90° γ=90°
Gallobeudantite
AsGa3H9O17Pb6S
The Canadian Mineralogist (1996) 34, 1305-1315
a=7.225Å b=7.225Å c=17.03Å
α=90° β=90° γ=120°
Ekanite
Ca1.92Fe0.06Mn0.02O20Si8Th0.95U0.05
The Canadian Mineralogist (1982) 20, 65-75
a=7.483Å b=7.483Å c=14.893Å
α=90° β=90° γ=90°