Schalenblende plain rectangle Cabochon no drill hole 41x20x6mm 1 piece

Schalenblende cabochons present as an opaque banded formation polished to reveal concentric Sphalerite and Wurtzite with metallic areas of Galena. These cabochons are symmetrical and have areas of metallic grey and banded golden yellow and brown hues within this hefty smooth rectangular shaped cabochon without a drill hole. AAA Rare gemstone mined in Poland