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

• average : 1.48 ct to under
  
• Stones : 25 Stones
  
• Weight : 24.90 Carat
• Clarity: eye clean and Slightly Inclusion 
• Origin: Afghanistan
  
• Treatment: None 100% Natural
  
• Certificate : If requested
  

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