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- 10:26, 1 July 2026 Cornish semiconductor talk contribs created page Wolframite (Created page with "thumb|right|frame|Wolframite from Wheal Fortune, Gwennap * Lustre:Metallic * Transparency:Opaque * Colour:Black; dark brown in transmitted light * Streak:Brownish black to black * Hardness:4 - 4½ on Mohs scale * Tenacity:Brittle * Cleavage:Perfect Perfect on {010} * Parting:On {100} and {102} * Fracture:Sub-Conchoidal [https://www.mindat.org Data from mindat.org] Wolframite is a bit of an old fashioned catch all term for a group of minerals,...")
