Calcite with Siderite Petalite gemmy bladed Brookite crystals with

gemmy bladed Brookite crystals with rich reddish-orange hues measuring up to 1

Good gem Topaz crystals from this locality are few and far between

Specimen #MAD61609

very lustrous faces

I’ve never seen a Calcite quite like this from the Camp Bird Mine

Calcite with Siderite Petalite gemmy bladed Brookite crystals withThis 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