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Gratonite
A superb and rich example of this extremely rare mineral from finds of the early 1900s. Illustrated: The Mineralogical Record, Arizona Mineral Collections, 2020; 51(1): 152. Ex. Richard Kosnar; Ex. R.J. Noble Collection. NO LABELS THOUGH. Recently featured in the book, Refined Elegance (Mineralogical Record, Nov. 2022) on page 115. Laszlo Kupi photo.
Unknown Owner
Product details
Species
SizeMiniature
Dimensions2.6 x 2.5 x 2.1 cm
Locality
Added on11/07/2025
Comments
Known provenance
2026/01
Unknown Owner
$2,400.00—Species and Locality Wiki Pages
Collectors of Gratonite from Excelsior mine
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