KHORTZ SPECIMEN GROUPING
Similar Upcoming Sales
Large Mixed Mineral Scholar's Rock6 days Left31" Giant Clam Shell, Tridacna gigas2 days LeftAN UNMOUNTED TOPAZ25" Giant Clam Shell, Tridacna gigas2 days LeftAN EGYPTIAN GRANODIORITE JAR PREDYNASTIC PERIOD, NAQADA I-II, CIRCA 4000-3200 B.C.4 hrs Left28" Giant Clam Shell, Tridacna gigas2 days LeftAmethyst Rock Crystal Cathedral GeodeMar 26, 2026Native American Lot of Points, Spheres and Artifacts6 days LeftQUARTZ CRYSTAL CLUSTER3 days LeftLoose 3.32 Carat Round Brilliant Cut Diamond1 day LeftA MOUNMENTAL ITALIAN IMPERIAL PORPHYRY FRAGMENT LATE 18TH/EARLY 19TH CENTURY4 hrs LeftA fossilized item ungradedMar 19, 2026Tridacna Gigas Giant Clam Shell1 day LeftPrehistoric Geological Stone Concretion6 days LeftFossilized Skull of an Extinct Early Horse, Mesohippus BairdiMar 21, 2026Antique Miniature Lapis Lazuli Box6 days Left 
