Check the listing for details. Pretty Ruby In Zoisite Tower 3.42"/71 Grams. Condition: New. Listed at 8.00 USD. Ruby in zoisite, also known as thulite or anyolite, is a striking and vibrant mineral that features striking green zoisite interspersed with vivid red ruby inclusions. The mineral forms in nodular or boulder-like shapes and is often polished to highlight its striking color contrasts and intricate patterns.