Natural Green Tourmaline – 6.76 Carats This stunning African tourmaline showcases a vibrant green hue in a precisely cut square octagon shape. Measuring 10.1 x 10.0 x 8.5 mm, this eye-clean gemstone displays excellent clarity and brilliant faceting that captures light beautifully. Carat Weight: 6.76 cts Shape: Square Octagon Cutting Style: Faceted Color: Green Clarity: Eye Clean Origin: Africa Treatments: Unheated/No Treatment Completely natural and untreated, this tourmaline retains its authentic color and character. Perfect for custom jewelry designs, collectors, or anyone seeking a premium gemstone with genuine provenance and exceptional quality.