Stilbite on Calcite - image 1

Stilbite on Calcite

Unknown Owner
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It isn't everyday you come across Calcite specimens from this relatively obscure Moroccan locality, especially ones that are this well-formed and beautifully arranged! Acting as the foundation of this vibrant piece is a cluster of sharp, translucent, yellow Calcite crystals that have stunning associations of brilliant white, perfectly-formed Stilbite crystals. Starting at the bottom of the specimen, the Calcite increases in size as it approaches the top of the specimen, reaching a width of 11.3 centimeters, and is accented with nicely stepped growths that give the piece a terrace-like topography. The Calcite is overlaid by a complex growth that resembles a smaller version of the larger, underlying Calcite, which reaches across the full length of the specimen. Adding to the piece's aesthetics, at the center of the specimen's front side is a single pristine, doubly-terminated Stilbite crystal that stands out beautifully against the Calcite. Under UV light, the Calcite strongly fluoresces yellow. This piece comes with a custom acrylic base.

Product details

SizeLarge Cabinet
Dimensions13.0 x 18.0 x 9.0 cm
Added on06/14/2025

Known provenance

DateCollectorAcquisition price
03/2025Unknown Owner$687.50
purchased from Heritage Auctions (Dan Kennedy's collection)
Dan KennedNot 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 Imilchil Caïdat
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