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tourmaline facet rough
Blue Indicolite Tourmaline

Tourmaline Blue Facet Rough 11.65ct

Regular price
$68.25
Sale price
$68.25
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From the mines of Paprok in Afghanistan comes this hefty Indicolite Blue Tourmaline weighing in at 11.65ct.

19.3mm along the C axis.

7.3mm and 7.7mm on the A/B axis gives this stone ideal shape for faceting

This stone is I clarity and will cut an I clarity stone.

While this stone is included, it has a very interesting colour play.  Strong sea green blue with a purple centre will produce a good size finished cut stone.

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

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