Mercedes Calcite (Chalcopyrite on Calcite) - Specimen Ethiopian opal Country of Manufacture: Indonesia

Country of Manufacture: Indonesia

with subtle banding and internal patterning visible across each piece

flightless birds lived during the Cenozoic Era

They are small and delicate

What makes this one stand out is the stout shape and the large uninterrupted top face

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen Ethiopian opal Country of Manufacture: IndonesiaMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite with Chalcopyrite mineral specimen from Hubei, China features a striking arrangement of translucent calcite crystals with pale champagne, smoky grey, and soft creamy tones. The calcite shows broad, clean geometric faces, sharp angled formations, and natural dark linear markings that create the distinctive Mercedes pattern across several crystal