Franklinite on pink calcite, Franklin Mine and Sterling Hill, New Jersey, USA.


Franklinite is a mineral species composed of zinc and iron oxide.
It appears here as large octahedral crystals partially “melted” on pinkish calcite.
Beautiful patina very shiny.
An infrequently seen mineral from the Franklin and Sterling Hill mine in New Jersey, USA.
Here is a video of these franklinite crystals on calcite from the USA :

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