Mexican Cantera Opal Cabochon - Jalisco, Mexico Lapidary The natural calcite stone often

The natural calcite stone often features creamy white or soft brown swirls

Perfect for lapidary

This Large Blue Lace Agate Geode Specimen is a larger cabinet specimen that features the distinctive

Trolleite Palm Stones represent a rare and visually stunning intersection of aluminum phosphate minerals and quartz

Mexican Cantera Opal Cabochon - Jalisco, Mexico Lapidary The natural calcite stone oftenIve 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