Stibnite on Calcite included by Boulangerite
Unknown Owner
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We are certainly aware that this looks quite like somebody took a stibnite and glued it to a calcite ball...but this crazy geometric assemblage of a stibnite cluster floating on a perfect spherical calcite, is simply nature in all its surprise. The stibnite is 4 cm tip to tip. It perhaps formed elsewhere in the pocket and then fell off of a stibnite cluster even as the calcite was forming attaching solidly and embedding itself in the growing calcite as the spherical aggregate formed. We know this location's calcite material well, and specimens show interesting growth patterns including many examples that are unlikely-looking spherical aggregates, "balls" to be blunt. It is simply luck that a stibnite fell or slid or was moved by solution into a growing calcite where it clearly stuck. No repairs. Complete. One of the many interesting specimens selected and held over the lifelong collection of Dick Hauck, founder of the Sterling Hill Mining Museum. We were privileged to be able to purchase a small group of his "mineral oddities" during the Covid years. This combination piece is certainly one that will invite both viewing and talking.
Product details
SpeciesCalcite, Stibnite, Boulangerite
SizeMiniature
Dimensions4.2 x 2.6 x 2.3 cm
Added on01/27/2026
LocalityRomania, Maramureș County, Herja Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 02/2026 | Unknown Owner | $4,000.00 |
| — | The Arkenstone | Not disclosed |
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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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