Mexican Cantera Opal Cabochon - Jalisco, Mexico Brecciated Jasper It has a smooth

It has a smooth

The Erupción Mine

and may possibly  lose a blade during shipping

not a single mineral

showing off the complexity of its structure without any cutting or polishing

Mexican Cantera Opal Cabochon - Jalisco, Mexico Brecciated Jasper It has a smoothIve 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