Free Shipping Australia Wide on all orders

Tourmaline Blue Rough

Tourmaline Blue Rough

Regular price
Sale price
Tax included. Shipping calculated at checkout.

From the mines of Paprok in Afghanistan are these beautiful natural tourmaline gemstone crystals.

1 lot of 104 carats. ($1.90/ct)

Colour:                        Green, blue, pink, yellow, red, purple,orange.

Crystal System:          Hexagonal crystal system

Mineral Family:          Tourmaline.

Chemical Formula:     Al6B3Fe3H10NaO31Si6

Hardness (Mohs):       7-7.5

Specific Gravity:         3.02-3.26

Refractive Index:        1.616-1.65

Luster:                         Vitreous.

Birthstone:                 Libra

Associated Month:    October