14hhjdis ((GOETHITE after GYPSUM)) $10 MINIMUM BID, Colorado Mine, Tintic District, Juab County, Utah, 5.5 x 5 x 2 cm, Miniature | |
Here is a specimen from Utah's historic Tintic District. Here is a Goethite cast after Gypsum. Usually these are black. I have only seen a few brown colored specimens. |