Calcite with Marcasite
Unknown Owner
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Lustrous gemmy double terminated crystals of calcite to 2.1 cm in size across the top of an iridescent botryoidal crystallized marcasite matrix. This is in very good condition and the piece dates to the mid 1970s. The specimen comes with a previous data card as shown at the end of the video.
Product details
SizeSmall Cabinet
Dimensions9.0 x 5.5 x 4.0 cm
Added on02/15/2026
LocalityUSA, Missouri, Sweetwater Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 04/2026 | Unknown Owner | $200.00 |
| — | Weinrich Minerals | Not disclosed |
Learn more
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
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