Olive Tourmaline 0.45 ct W 6 - 7 MM this spinel is entirely natural

this spinel is entirely natural a pristine miracle of nature

these gemstones are perfectly matched in hue

this stone embodies the legacy of Burmese gemstones bold color

(Extract from the book "Gemstones" by Vladyslav Yavorskyy)

Olive Tourmaline 0.45 ct W 6 - 7 MM this spinel is entirely naturalStone type: Tourmaline Weight: 0. 45 ct Color: Olive Dimension: 5. 09 x 5. 09 x 3. 30 mm Shape & Cut: Round, Yavorskyy cut Treatment: Unheated and Untreated (No Indications Observed) Refractive Index: 1. 618 1. 643 Hardness: 7 7. 5 Specific Gravity: 3. 1 Optical properties: Doubly refractive Chemical formula: Complex Boron Silicate Shipment from: Thailand Return Policy: 3 Day Money Back Return*