Achọpụtara Sapphires na etiti narị afọ nke 19 site n'aka ndị nyocha ọla edo na-achọ ọla edo na Osimiri Montana.
N'akụkọ ihe mere eme, a na-egwupụta sapphire azụmahịa na mpaghara anọ dị na ndịda ọdịda anyanwụ Montana, Pebble Belt (1865), Dry Cotton Creek (1889), Rock Creek (1892) na Yokogarsh (1895).n'elu Osimiri Missouri) etinyela uche site na nkwụnye ego anọ a Naanị saịtị mmepụta sapphire abụọ ka na-emepụta sapphire.N'okpuru bụ kristal na-acha anụnụ anụnụ na sapphires nwere ihu ahọpụtara site na nkwụnye ego Creek.
Oge nzipu: Eprel-19-2022