Mexican Cantera Opal Cabochon - Jalisco, Mexico Hearts swirling boundaries between the dark

swirling boundaries between the dark green chlorite matrix and the luminous silver plumes

B) 206g / 1

It's super smooth to the touch too

It's quite a show

sometimes even with gold

Mexican Cantera Opal Cabochon - Jalisco, Mexico Hearts swirling boundaries between the 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