Mexican Cantera Opal Cabochon - Jalisco, Mexico clear quartz visible under longwave UV light

visible under longwave UV light

other than the shaping of the outer layer

Weight: 266g

Weight: 154g Source: Indonesia

this Tiger's Eye is definitely worth checking out

Mexican Cantera Opal Cabochon - Jalisco, Mexico clear quartz visible under longwave UV lightIve 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