| 15dm675 ((GOETHITE coated CALCITE, CHALCOPYRITE)), $5 MINIMUM BID, Durango, Mexico, 6 x 4.5 x 3 cm, Miniature | |
 | Black hemispheres of Goethite and a thin Goethite coating on scalenohedral Calcite crystals with Chalcopyrite crystals with some greenish coating. ex Dennis McMurdie collection. |
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