Mexican Cantera Opal Cabochon - Jalisco, Mexico Hyalite Opal Some may have a mix

Some may have a mix of calcedony

Registering a solid 6

Size (With Stand): 7

Unlock the beauty of nature with this unique Apophyllite with Calcite Specimen from China

edge-free touchstones that show off a brilliant vitreous luster when displayed under store lighting

Mexican Cantera Opal Cabochon - Jalisco, Mexico Hyalite Opal Some may have a mixIve 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