Mexican Cantera Opal Cabochon - Jalisco, Mexico Matrix while another features tightly compressed

while another features tightly compressed

bringing the red color back

It is a member of the Adelite-Descloizite group and is known for its distinctive green to blackish-brown colors

Weight: 564g

9in x 4in x 4

Mexican Cantera Opal Cabochon - Jalisco, Mexico Matrix while another features tightly compressedIve 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