Blue Tourmaline 0.19 ct/ 4 pcs LAVENDER With its rich red pink

With its rich red pink hue and masterful cut

yet uniquely individual in character

The karst mountains of An Phรบ

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

Shape & Cut: Cushion

Blue Tourmaline 0.19 ct/ 4 pcs LAVENDER With its rich red pinkStone type: Tourmaline Weight: 0. 19 ct 4 pcs Color: Blue Dimension: 3. 38 x 3. 38 x 1. 54 mm, 2. 27 x 2. 27 x 1. 54 mm 2. 31 x 2. 31 x 1. 62 mm 2. 22 x 2. 22 x 1. 57 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