Mineral Specimen #6721 Gerhardtite, Calcite
Nebraska Mine, Greenland, Ontonagon County, Michigan, USA
3.9 x 3.3 x 1.9 cm
1.5 x 1.3 x 0.7 in
Ex. Rich Whiteman
The Gerhardite is the light blue colored material. Also present is white colored Calcite with some cleavage planes showing. Please note: on mindat, Gerhardtite is not listed for the Nebraska mine but is for the Caledonia mine. However, the entrance to the two mines is only a few hundred meters from each other and the two are connected underground. The specimen was purchased from Rich Whiteman, the former owner of both mines.
Condition: Composed of massive material.
Flaws: Essentially massive material.
This mineral is also found in the following galleries: Minerals From Michigan | Carbonates | Rare Minerals | Minerals Priced Between 25 and 49 Dollars