Lorenzenite is a rare sodium titanium silicate found in nepheline pegmatites and syenites. In this specimen we can see a good-sized brown crystal, shiny, defined and arranged aerially on the matrix. With aegirine needle inclusions.

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Lorenzenite is a rare sodium titanium silicate found in nepheline pegmatites and syenites. In this specimen we can enjoy two bright, well-defined, brown crystals on matrix. A specimen from the Joan Astor Collection.

Lorenzenite is a rare sodium titanium silicate found in pegmatites and nepheline syenites. A lustrous, sharp, chocolate-brown crystals in matrix on this excellent specimen from the Joan Astor Collection.