Franklinite (Troostite) on Calcite, Franklin Mine and Sterling Hill, New Jersey, USA.

245,00

Franklinite is a mineral species composed of zinc and iron oxides.

It is shown here in the form of large octahedral crystals partially “fused” onto white calcite.

Beautiful, very shiny patina.

An infrequently seen mineral from the Franklin and Sterling Hill mine in New Jersey, USA.

Here’s a video of these franklinite crystals on calcite from the USA: