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Here is a raw chunk of amber from Cap d'Ambre in Madagascar. The piece is colored a bright golden ye..
The termination on this brownish green apatite crystal from the Otter Mine in Quebec is sensationall..
This specimen is a lab grown example of alum, in a vivid lime green color that is very eye catching...
Here is a delightful specimen of light rosy pink, gemmy, terminated rose quartz crystals, formed in ..
You will be delighted by the flashing neon-bright turquoise-like colors of this gorgeous 64.1 carat,..
Here is an outstanding specimen of magnesite from Brazil. The magnesite crystals are formed as excep..
On this very showy specimen the crocoite crystals are colored a flamboyant neon red-orange that is i..
This is a showy specimen of cobaltoan calcite comes from the Congo, and it is truly a piece of eye c..
This is a large single crystal of amethyst from the Anahi Mine in Bolivia. Its color is excellent: a..
Here is a beautiful specimen featuring lustrous wulfenite crystals on dark green mimetite over limon..
On this specimen, there is a smoky quartz crystal that is dotted with jewel-like, gemmy, brilliantly..
The muscovite mica stars on this specimen have a bright, pearly luster and are colored a rich, lustr..
One of the latest new finds to hit the mineral market in 2018 is the stunning new brucite from Pakis..
Pyrite specimens are not uncommon, but top-notch pieces like this one are surprisingly rare. You'll ..
This is a colorful gem slice of an amethyst stalactite from Uruguay, which has been cut and polished..
Here is a brilliant, neon red-orange specimen of crocoite from the world famous Red River Pocket at ..
This colorful 8.9-ounce copper nugget from Michigan has been polished all over to bring out the rich..
Here is an eye-catching specimen of cobaltoan calcite in an astounding, deep magenta pink color that..
This specimen, which came from the 2015 season when we visited the mine, features sharp, gemmy, see-..
Float copper from veins in Michigan's Upper Peninsula mines produce bright, "shiny as a penny" red o..
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