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Blue Canyon, Arizona (Cecil Whitt).

Blue Canyon - cecilwhitt

The Dom Pedro Aquamarine joins the Smithsonian’s famous gem and mineral collection of more than 10,000 gems in addition to 350,000 mineral specimens. The Smithsonian’s gem and mineral collection is one of the largest of its kind.

The El-Dorado Topaz, which weighs a whopping 31,000 carats (13.67 lbs.) currently holds the crown as the largest faceted gemstone in the world. Originally discovered in 1984 in mineral-rich Minas Gerais, Brazil, the pre-cut El-Dorado crystal tipped the scales at a mind-boggling 81.57 lbs. - minerals specimens, mineral specimens, minerals collecting, high quality minerals, fluorite, tourmaline

What is Bournonite? Click on photo to read about this mineral!

Bournonite Mineral Data

Art Deco Aquamarine and Diamond Filigree Ring | From a unique collection of vintage bridal rings at

Art Deco Aquamarine and Diamond Filigree Ring |

Calcite with Cuprite (Var. Chalcotrichite) - Czar Mine, Bisbee, Warren District, Cochise Co., Arizona mw

Fine Collector Mineral Specimens - Andy Seibel


Marin Mineral Company - Tucson 2014 - Thumbnails

Rare Black Carey Moss Agate This is beautiful! It would make a stunning necklace.

What Causes the Colour of Gemstones?

What Causes the Colour of Gemstones?

Rutile and Hematite in Quartz

Trinity Mineral Co Auction: Minerals

Chalcopyrite and Covellite / Gidurska mine, Madan ore field, Bulgaria

QuebulFineMinerals / Fine quality collection minerals

Azurite with minor Malachite ⭐

Black Star Sapphire 12 rayed stars are not too common.


moqui marbles, utah Iron oxide concretions (Moqui marbles) Moqui Marbles, hematite concretions, from the Navajo Sandstone of southeast Utah. Scale cube, with "W", is one centimeter square. The Navajo Sandstone is also well known among rockhounds for its hundreds of thousands of iron oxide concretions