Cassiterite from Viloco Mine, Loayza Province, Bolivia - image 1
Cassiterite from Viloco Mine, Loayza Province, Bolivia - image 2

Cassiterite from Viloco Mine, Loayza Province, Bolivia

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Classic old Bolivian specimen with bright lustrous crystals of cassiterite to 0.7 cm in size across the top of matrix. The specimen comes with several previous labels including an antique one from Ward's, these are seen at the end of the video.

Product details

SpeciesCassiterite
SizeSmall Cabinet
Dimensions5.4 x 3.5 x 2.4 cm
Added on10/29/2025
LocalityBolivia, Loayza Province, Viloco Mine
Current owner
Unknown Owner
Acquired
Feb 2026
Price paid
$640.00
Previous owners
DateCollectorAcquisition price
—Weinrich MineralsNot disclosed

Learn more

Cassiterite
Mineral guide
Learn about Cassiterite
mirror-like luster and dense, prismatic crystals; localities Panasqueira, Xuebaoding, Viloco; value hinges on finish, size, and matrix.
Cassiterite
Regional guide
Cassiterite from Viloco Mine, Bolivia
Viloco Mine cassiterite — Bolivia’s essential tin locality, known for dark, mirror-bright crystals and rare transparent, facet-quality specimens.
Locality guide
Viloco Mine
Viloco Mine, Bolivia — premier cassiterite locality famed for sharp, twinned crystals with notable translucency; top specimens rival gem-quality rough.