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The piece ranges from white and virtually opaque to colorless and WATER-CLEAR in areas
and the bright green color glows when the crystal is backlit
rich red-orange colored doubly terminated "sword"-shaped crystals dramatically set atop transparent
A highly aesthetic and dramatic Ferberite specimen
Hard to photograph and BETTER in person
Calcite with Siderite cabinet The piece ranges from whiteThis locality is a bit obscure but is known to Colorado collectors as it has produced some of the most interesting and easily identifiable Calcites from anywhere in the state. These Calcite crystals occur in septarian nodules found in the Mancos shale formation. As far as I know there are only three reported minerals from the locality all carbonates, i. e., Calcite, Siderite and Dolomite. In the early 1980s, my father collected several superb
US$ 155.00
US$ 35.92
US$ 150.00
US$ 13.44
