| 15dm696 ((SIDERITE on QUARTZ)), $15 MINIMUM BID, Grissly Bear Mine, OUray County, Colorado, 8 x 5 x 4.5 cm, Cabinet | |
 | Here is a Colorado specimen with small brown rhombs of Siderite on a crystalline Quartz matrix. Dennis McMurdie collection. ex Dave Bunk specimen. |
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