Mexican Cantera Opal Cabochon - Jalisco, Mexico set Most people see a dark

Most people see a dark tourmaline and immediately assume it is Schorl

3in / 21cm

Weight: 22g (without stand)

Size notes: Double-side saw cut

Mexican Cantera Opal Cabochon - Jalisco, Mexico set Most people see a darkIve 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