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84.8 mm Opal Mountain "the Butterfly" Rhyolite Sphere

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84.8 mm Opal Mountain "the Butterfly" Rhyolite Sphere

SKU:SPHERE1004

$175.00

Availability: In stock

Opal Mountain Rhyolite

Opal Mountain, Idaho, USA

Sphere Diameter : 84.8 mm
1 inch = 2.54 cm = 25.4 mm

Looks planetary!

Each rhyolite orb in this piece has imploded and created a neat effect, we nicknamed this sphere "the Butterfly", as the orbs are reminiscent of a swarm of butterflies circling the sphere.

With extreme care, this delicate opal filled material has been, painstakingly, polished to a mirror finish! This piece has a deep red to black colored matrix.

We collected this material and hand selected each for its patterns and unique coloring. Every orb you see on the face of the sphere is filled with precious or common opal.

Each of our spheres is perfectly round with no pitting, cracking, or excessive use of glue to hide imperfections.
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Description

Details

Opal Mountain Rhyolite is found from a single source deposit in Idaho.

6-4 million years ago, volcanic activity left rhyolite and perlite ash deposits with gas pockets (aka a thunderegg). Before and during our last Ice Age, roughly 1 million to 50,000 years ago, geysers seeped mineral (silica) rich solution up and through the ancient volcanic deposits and slowly filled the cavities left by the gas pockets with a combonation of both precious and common opal.

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