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- 07:50, 1 July 2026 Cornish semiconductor talk contribs created page Löllingite (Created page with "right|frame|Curve trace for Löllingite from Penlee Beach * Lustre:Metallic * Transparency:Opaque * Colour:Steel gray to silver white * Streak:Greyish black * Hardness:5 - 5½ on Mohs scale * Tenacity:Brittle * Cleavage:Distinct/Good Distinct on {010}{101} * Fracture:Sub-Conchoidal Löllingite is a quite rare form of arsenic oxide, heavier and more silver coloured than arsenopyrite which is otherwise quite similar. I found this speci...")
