$350Median
66Sold (12 mo)
$185Last sale
Cassiterite from Wheal Coates, St Agnes, Cornwall, England, UK
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For a Cornish Cassiterite the crystals on this piece are exceptionally gemmy, but then it is from the famous historic occurrence at Polberro mines near St. Agnes. Extremely dense, it is obvious that even the matrix on this specimen is Cassiterite, just very fine-grained. The display surface is not totally covered in crystals, but is liberally coated in exceptionally glossy, brown-coloured, resinous, pseudobipyramidal Cassiterite crystals, the largest to a little over 4 mm in length. Amongst these crystals are a couple of very small colouress cubo-octahedral Fluorite crystals and dark green spherules of Chlorite. Ex Malcolm Southwood Collection, no. MS 1997.023. Two other number labels are attached to this piece about which nothing is known: 11.405 and 010-68.
Product details
SpeciesCassiteriteChloriteFluorite
SizeSmall Cabinet
Dimensions6.7 x 4.1 x 3.8 cm
Added on07/15/2026
LocalityUK, England, Wheal Coates
Current owner
Unknown Owner
- Acquired
- Jul 2026
- Price paid
- $650.00
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Crystal Classics | Not disclosed |
Learn more
Mineral guide
Learn about Cassiterite
mirror-like luster and dense, prismatic crystals; localities Panasqueira, Xuebaoding, Viloco; value hinges on finish, size, and matrix.Regional guide
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