Orange calcite comes from Northern Mexico in the long, banded veins. After it is mined the best colors are then processed into smaller, more reasonably sized pieces for commercial use. These hearts consitute some of the best colors that orange calcite is capable of. Polished in Mexico, some are banded, some are translucent but all are beautiful. The glowing and vibrant orange of these pieces is captivating and juicy, making these a perfect addition to any colorful collection.