Mexican Cantera Opal Cabochon - Jalisco, Mexico charging plate It is a completely natural

It is a completely natural geologic specimen that speaks for itself

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Weight: 437g

earning its nickname "Grateful Dead" calcite

Some damage noted on the crystal

Mexican Cantera Opal Cabochon - Jalisco, Mexico charging plate It is a completely naturalIve always been fascinated by how certain minerals look when they are left partially embedded in their host rock, and this Mexican Cantera Opal Cabochon is a perfect example of that natural contrast. In Spanish, "Cantera" translates to quarry or stone, which refers to the pinkish tan rhyolite matrix that surrounds the precious opal. Instead of being cut out as a traditional gemstone, these specimens are shaped and polished so that the opal sits like a