Susan A. Judy

$1200

Montana Geologic Map in Stone37 3/16” x 22 3/4”, 2018 Slabs of: Gabbro, marble, blue quartzite, sodalite syenite, granite, limestone Minerals: Parasite, tetrahedrite, covellite & pyrite, cleavelandite, amethyst scepter, calcite, PGM ore, dry head agate, Montana moss agate, Yogo sapphire Fossils: Laminar stromatolite, trilobites, Metasequoia occidentalis, brachiopods, Thescelosaurus sp. (toe […]