7.80 Carats Rare Blue Afghan Tourmaline

207

存货单位: F20
尺寸（毫米）: 11.900 x 10.000 x 9.000mm
重量 (cts): 7.800
Treatment: No Treatment
Shape: Cushion
类型: Faceted
Clarity: SI
颜色

It's a Beautiful Natural Faceted Cushion Cut Unique Rare Blue Tourmaline Loose Gemstone From Afghanistan

WEIGHT(ct): 7.80
Size : 11.9x10x9 mm
CLARITY: Slightly Included
TREATMENT: NONE
ORIGIN: Afghanistan
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

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存货单位: F20
尺寸（毫米）: 11.900 x 10.000 x 9.000 mm
重量 (cts): 7.800
Treatment: No Treatment
Shape: Cushion
类型: Faceted
Clarity: SI
颜色

It's a Beautiful Natural Faceted Cushion Cut Unique Rare Blue Tourmaline Loose Gemstone From Afghanistan

WEIGHT(ct): 7.80
Size : 11.9x10x9 mm
CLARITY: Slightly Included
TREATMENT: NONE
ORIGIN: Afghanistan
CERTIFICATE: IF REQUESTED

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接触

Hi, I've been a gem collector with a very good knowledge & experience for over 15 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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