Calcite with Marcasite - image 1
Calcite with Marcasite - image 2
specimen video

Calcite with Marcasite

Unknown Owner
An excellent classic example from the upper Mississippi Valley area in Wisconsin. Lustrous gemmy colorless crystals of calcite measuring to 2.5 cm in size across a crystallized golden marcasite matrix. This is in really fine condition. This was likely collected in the 1960s. Crystallized naturally all around. The marcasite is still quite stable.

Product details

Species
Calcite, MarcasiteAbout Calcite →
SizeCabinet
Dimensions15.0 x 12.0 x 5.0 cm
Added on01/27/2026
Locality
USA, Wisconsin, Blackstone Mine

Known provenance

DateCollectorAcquisition price
—Unknown Owner$500.00
—Weinrich MineralsNot disclosed

Learn more

Calcite
Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.
Regional guide
Calcite from Blackstone Mine
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