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Franckeite
This specimen is over 30 years old and was part of the best find of the material. There were only a handful of good specimens, and well crystallized pieces like this are few and far between. This is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, fine, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of small bladed crystals forming spherical aggregates on matrix. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals.
Unknown Owner
Product details
Species
SizeSmall Cabinet
Dimensions6.7 x 5.4 x 3.3 cm
Locality
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Franckeite from San Jose Mine
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