3.70 Carat Cushion Cut Green Tourmaline Loose Gemstone Origin Afghanistan

存货单位: SKU 598
尺寸（毫米）: 8.700 x 7.900 x 6.800mm
重量 (cts): 3.700
Treatment: No Treatment
Shape: Cushion
类型: Faceted
Clarity: VS
颜色

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

WEIGHT(ct): 3.70
SIZE(mm): 8.7x7.9x6.8 mm
CLARITY: Almost Eye Clean
TREATMENT: NONE
Origin 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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存货单位: SKU 598
尺寸（毫米）: 8.700 x 7.900 x 6.800 mm
重量 (cts): 3.700
Treatment: No Treatment
Shape: Cushion
类型: Faceted
Clarity: VS
颜色

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

WEIGHT(ct): 3.70
SIZE(mm): 8.7x7.9x6.8 mm
CLARITY: Almost Eye Clean
TREATMENT: NONE
Origin Afghanistan
Certificate : On Demand

Whats is Tourmaline ?

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接触

Hi, I've been a gem collector with a very good knowledge & experience for over 40 years. My favorites include Paraiba (copper / manganese) tourmaline, all types of beryl,etc. Now and then, I offer some hand-picked stones out of my collection for sale.

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