dendridic Peruvian opal
Peruvian opal, pearl, & amethyst necklace
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| composition | hydrous silica gel |
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| name source | from where it is mined, the Peruvian Andes |
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| other accepted names | Andean opal, Andean blue opal, Andean blue silica, blue opal |
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| color | aquamarine to seagreen |
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| color source | trace amounts of copper |
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| significant sources | San Patricio, Peru |
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| MOH scale | 5.5 - 6.5 |
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| care and treatment | Relatively soft, Peruvian opal should be treated with care as it can be scratched by any harder material. Wash in warm soapy (non-detergent) water. |
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