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Excalibur Mineral Corporation

Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see what you're ......

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Gold Prospecting

A guide to finding gold deposits for prospectors, geologists, rock hounds & the novice. Gold prospecting methods that are proven to work....

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keystonetable

MIN#Keystone-6. Wonderfully rich plate of Smoky Quartz on Amazonite with Goethite ps. Siderite crystals! First of all, the color of the Amazonite is excellent!...

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Stone Fun Facts

Stone Fun Facts This is a collection of interesting facts about the various gemstones we carry at Ephemerala. Each section highlights the properties, history ......

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Copper Ores and Copper Bearing Minerals

Copper-bearing minerals are not only numerous, but widely though irregularly distributed. More than this, copper is found associated with many different metals and ......

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Ancient Craft

Most people think of cave paintings, when ancient art is mentioned, however there is much more. At the beginning of the Upper Paleolithic era of prehistory (from ......

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