Ruby Zoisite Square Stud Earrings (Large)The Ruby Zoisite Square Stud Earrings (Large) are 12mm square. They feature ruby zoisite gemstones framed in hammered silver vermeil (gold plated silver) and fitted with a secure post and scroll. Unique Ruby Zoisite Gemstones: Ruby Zoisite is a rare combination of ruby and zoisite crystals, characterised by its blend of earthy green hues and pink to red highlights. Each stone is heavily included with black hornblende minerals. Depending on its primary