Mexican Cantera Opal Cabochon - Jalisco, Mexico clear quartz These natural crystal stones are

These natural crystal stones are very beautiful

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this Tiger's Eye is definitely worth checking out

Scientifically classified as a blue variety of pectolite

Mexican Cantera Opal Cabochon - Jalisco, Mexico clear quartz These natural crystal stones areIve 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