Opal from Virgin Valley District

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a large Black Opal/petrified wood limb cast with precious "skin fire" from Virgin Valley, Nevada, showing trademark "crazing" (hairline fractures) from drying/dehydration and exposure to atmospheric conditions. Black Opal "core" while the skin is precious white to crystal opal. Measures about 3.5 x 3 x 2.25 inches. Previously in the Christopher Wentzell collection.

Product details

SpeciesOpal

Added on04/21/2026

LocalityVirgin Valley District

Current owner

Unknown Owner

Previous owners

Date	Collector	Acquisition price
—	Christopher Wentzell	Not disclosed

Comments

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Mineral guide

Learn about Opal

amorphous silica with water and a spectacular play-of-color; black, boulder, and fire opal varieties capture brightness, color, and collecting appeal.

Regional guide