Mexican Cantera Opal Cabochon - Jalisco, Mexico prehnite which have a density of

which have a density of 3

the tower does stand on its own securely

Each crystal point is unique in size

Approximate Size: 1

thick-cut disc shape that provides a bold three-dimensional presence on any tabletop

Mexican Cantera Opal Cabochon - Jalisco, Mexico prehnite which have a density ofIve 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