Cassiterite pseudomorph after Orthoclase

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Cassiterite pseudomorph after orthoclase, 2.5 cm, from Wheal Coates, St Agnes, Cornwall, England. Photo by Keith Compton.

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SizeThumbnail
Dimensions2.5 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In Australia page 36
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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 Wheal Coates
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Locality guide
Wheal Coates
A collector's guide to Wheal Coates, UK: its geology, mining history and notable minerals, illustrated with the 45 specimens documented from this locality on EarthWonders.