It's a Beautiful Natural Faceted Cushion Cut Bluish Green Color Tourmaline Loose Gemstone From Jaba Afghanistan

• WEIGHT(ct): 2.70

• SIZE(mm): 7.9x7.2x6.6 mm

• CLARITY: Slightly Inclusion

• TREATMENT: NONE

• Origin Jaba Mine Afghanistan

• Certificate : On Demand
  

Whats is Tourmaline ?

Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone. This gemstone can be found in a wide variety of colors.

Color: Green, Black, Blue, Red, Pink, White, Yellow, Purple, Brown, Orange, Grey
Luster: Vitreous
Associated month: October
Crystal system: Hexagonal crystal system
Hardness (Mohs hardness scale): 7 – 7.5
Transparency: Opaque, Transparent

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