Dryhead Agate 83.62 ct Spear Cabochon Collection (1) 58.00 x 28.00mm Montana y30014

Dryhead Agate 83.62 ct Spear Cabochon Collection (1) 58.00 x 28.00mm Montana y30014

Dryhead Agate, Montana, for Dry Head Creek,  Big Horn and Carbon counties, Montana, Dead Indian Hill, East Pryor Mountain, and Big Ice Cave. A marine sedimentary agate found in the Phosphoria Formation of Permian Age in the Pryor Mountains. They have also been collected along Dry Head Creek and along the Bighorn River northeast of Lovell. A  colorful fortification agate with swirls, eyes, curved lines in alternating red pink, yellow, white or brown.