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Devilline
An important, rich old specimen of the mineral devilline (formerly ‘herrengrundite’) dating to the world-class finds of the mid-1800s in present-day Slovakia. This piece consists of striking, deep teal colored rosettes comprised of 1 to 4 mm, platy crystals densely covering one side of the matrix. Devilline is a rare hydroxylated calcium-copper hydrate. Specimens of this size and quality rarely come up for sale. This is a special, displayable rarity in good size, and has a unique color.
Unknown Owner
Product details
Species
SizeSmall Cabinet
Dimensions7.6 x 4.1 x 3.5 cm
Locality
Spania Dolina (Herrengrund), Banska Bystrica, Slovakia
Added on02/27/2026
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
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