a visitor's guide to colorado gemstones international aquamarine colorado state gemstone named the state gemstone in 1971, aquamarine is mined at high altitudes in the mt. antero area of the rockies. this blue or blue green stone, a variety of beryl, is the march birthstone.colorado prospector club gem and mineral information and the state of colorado has produced many record finds over the s including quot;tom's babyquot; at 13 lbs 9 oz for the state g nugget record, and colorado produced north america's largest faceted diamond at 16.87 cts. after cutting and weighing in at a hefty 28 cts rough.rare gems and minerals found in coloradoturquoise chief also known as joise may turquoise mine provide the best quality gemstone. other turquoise mines in colorado include the villa grove, sugarloaf district, lake county and manassa colorado turquoise mine.
gemstone mining in the united states geologyaquamarine is the state gemstone of colorado, and it is mostly found at high elevations on antero mountain. rhodochrosite is the state mineral, and many specimens are cut into gemstones such as the stone shown here from the sweet home mine. photo by bradley payne, thegemtrader. learn more about colorado gemstones.public g, gem mineral mines in coloradothe pinnecle5minerals is a family owned enterprises that specialize in mining and promoting gems and special minerals in colorado. these claims are located in the crystal peak mining district located about four miles north of florissant in teller county, colorado.top spots for gem hunting in the us international gem emerald hollow mine, hiddenite, north carolina. find glittering, gorgeous emeralds in hiddenite,top spots for gem hunting in the us ihiddenite gem mines, north carolina. famously popular, hiddenite gem mines is known for the
colorado gemstone mining geologycolorado rhodochrosite rhodochrosite is the official state mineral of colorado. sometimes, nice transparent specimens can be found that are suitable for cutting faceted stones. this faceted cushion was cut from material obtained from the famous sweet home mine near alma, colorado.colorado mine tours g rush towns coloradomar 11, 2019precious stones glitter from its walls and stalactites hang heavy from ceilings in an immersive learning experience. more colorado mine tours bachelor syracuse mine, ouray hundred g mine, silverton hard tack mine, lake city argo g mine and mill, idaho springs phoenix g mine, idaho springs. colorado mining museumsgems found in colorado sciencingthe most valuable gemstone found in colorado is the diamond and the most famous colorado diamond is the enormous 45.5 carat hope diamond, now installed in the national museum of natural history. it was not originally mined in colorado, but was purchased by colorado's leading diamond miner, thomas walsh.