Sagenite Jasper cabochon Nacimento mangano calcite Nacimento mangano calcite under short wave UV Petrified coral White chert with dendrites Guard toad in a fountain Pegmatite with schorl Jade Graveyard Point agate slab Sagenite in agate Carnelian slabs around a bismuth crystal Calico lace agate Quartz admirer Mariposite sphere Nipomo Marcasite disk Mariposa Gem and Mineral Club logo 6 inch Mariposa Gem and Mineral Club logo 2 inch