Rosell Minerales

Topaz crystal aesthetically disposed on a rhyolite matrix. It shows several faces very well defined, with an excellent transparency and a uniform tone. From a classic locality.

 

Size: 7.5 x 8 x 5.5 cm.
Main crystal: 18 mm.

A brilliant and very sharp bixbyite crystal. A manganese oxyde well-known and appreciated by collector for its rich crystallographic forms. In this specimen we can see the cubic main form with vertex truncated by trapezohedron and a small triangular octahedron face. A crystallographic pleasure... Very aesthetically disposed on a volcanic rocky matrix. With an old display label.

Size: 4,5 x 4,0 x 3,7 cm.
Main crystal: 6 x 5 mm.