Olive Tourmaline 0.45 ctStone 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*

Indisputably

Certified: GIA

Ever since its discovery in the early 2000โ€™s

Optical properties: Singly refractive

The karst mountains of An Phú

Chemical formula: MgAl₂O₄

Stone type: Natural Beryl

Stone type: Topaz no heat

Dimension: 8

which falls in the most coveted range of rich

over two carats each

Color: Purplish-Pink