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Cassiterite
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The Ririwai mines near Doguwa, midway between Kano and Jos in Nigeria were famous tin mines, but closed in 1984. Well-crystallized specimens are rarely seen available, other than when older collections get recycled which is exactly the case here. Not only is this miniature specimen extremely well crystallized - as very sharp, glossy twinned crystals, but they are extremely large for this occurrence too, with the crystals reaching 2.8 cm across. Ex Martin Kershaw Collection, no. 560 and accompanied by his type card index style label documenting it as from Liruie - N - Kano - Northern Nigeria.
Unknown Owner
Product details
Species
SizeMiniature
Dimensions4.2 x 3.6 x 2.7 cm
Locality
Ririwai Mines, Doguwa, Kano, Nigeria
Added on12/10/2025
Comments
Known provenance
2025/12
Unknown Owner
$850.00—Species and Locality Wiki Pages
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