Mexican Cantera Opal Cabochon - Jalisco, Mexico Milpillas making them ideal as high-visibility

making them ideal as high-visibility cabinet accents

Unlike Muscovite

the clear to slight yellow calcite is accented by sparkling quartz formations

Each Sphere is approximately 155-173g in weight

Because microcrystalline quartz registers a solid 6

Mexican Cantera Opal Cabochon - Jalisco, Mexico Milpillas making them ideal as high-visibilityIve 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