Mexican Cantera Opal Cabochon - Jalisco, Mexico Hearts this convenient plastic case is

this convenient plastic case is perfect for jewelry making

Weight: ~300g per bag

It's quite a show

sometimes even with gold

C) Rose Quartz - 988g - 3in tall x 4

Mexican Cantera Opal Cabochon - Jalisco, Mexico Hearts this convenient plastic case isIve 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