0207 Tennantite, Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne – Redruth – St Day District, Cornwall, England September 18, 2019 Steve Cornwall England United Kingdom multiple single crystals on matrix,a micromount x10. Ex W. W. Jefferis Coll. No. 7386, ex Carnegie Museum No. 1217, ex Delbert L. Oswald Coll. Click on thumbnail for full sized imageā¦
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