Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 2,5 cm associated with shorl . Size 7 x 4 x 3 cm
Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 2,5 cm associated with shorl . Size 6 x 4 x 3 cm
Bertrandite, perfect lucent terminated unique crystals of this ultra rare berillium silicate in crystals till 1,5 cm associated with shorl . Size 4x3x3 cm
A very interesting old specimen from the paul Zerfass collection, with association of cerussite with Pyromorphite . Specimen well crystallized o, with pyro colors passing from grass green to dark green size 4x3x3 cm
A very interesting old specimen from the paul Zerfass collection, with association of cerussite with Pyromorphite . Specimen well crystallized , with pyro colors passing from grass green to brown size 3x3x3 cm