Virgin Valley Opal Crystal Specimen Gold (yellow) 5 to 8 on the

5 to 8 on the Mohs scale of hardness making it a good

A Brilliant Black Opal and Tanzanite Pendant

Queensland

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Virgin Valley Opal Crystal Specimen Gold (yellow) 5 to 8 on theVirgin Valley Opal Crystal: A brilliant specimen from Virgin Valley, Nevada that has been window polished. The natural petrified wood bark skin has been kept intact on the back. Specimen is fragile. More Information The Origin: Virgin Valley, Nevada, United States The Measurements: Approximately 3. 25" x 2" x 1" The Weight: 118. 17 grams The Brightness: 3 of 5 The Scientific: Mohs hardness: 5. 5 material is crazed, but now stable fragile to the touch