Tourmaline (Verdelite) (9.77 grams) (ex Rolando Gioia Collection)

Item Description

An eye-catching, good quality, sharp, lustrous, gemmy prismatic Tourmaline crystal which shows a RICH dark green hue throughout most of the prism when strongly backlit. For the most part, the specimen is in great condition, but there are a few small imperfections here and there. Somewhat hard to photograph, and better in person! The specimen weighs 9.77 grams. From the collection of Rolando Gioia (a contributor to new definitive book on Brazilian minerals: "Minerais e Pedras Preciosas do Brasil").