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This rhyolite sphere is large and very unusual.
Most of the orbs in this rhyolite are filled with common opal in various colors (white, bluish, cream and yellow). The red color is due to iron oxide. The orbs are actually nodules embedded into the rhyolite. Some of the opal is transparent to translucent and the others are opaque and colorful.
We collected a large rough rock in one of our rock hunting trips in Nevada and Dale made several spheres with it.
The sphere has a great polish. There is one small section with a slight uneven feel.
It has a 3.89″ diameter (98.8 mm) and it weighs about 2lbs 10 oz.
Origin: Nevada, USA
Price: $345.00.
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