Gemstones of the world

 


London blue topaz

 

London blue topaz

 

 

Number of Pieces: 1 Pc(s). item # 5
Approx Weight: 1.55 Ct.
Product Type: London Blue Topaz
Shape: Heart Shape Cut
Size (Each): 7 mm
Color: Nice London Blue
Clarity: Clean
Luster: Stunning
Origin: Africa
Hardness: 8
Specific Gravity: 3.4 - 3.5+
Refractive Index: 1.61 - 1.64
Chemical Composition: Al2sio4(F,oh)3, Aluminum SIlicate Fluoride Hydroxide
Crystal Structure:

Orthorhombic

 

Price: 15.00

 

 

London blue topaz

 

 

Number of Pieces: 5Pc(s). items # 7,8,29,52,20
Approx Weight: 1.10 Ct.
Product Type: London Blue Topaz
Shape: Pear Shape Cut
Size (Each): 8x5 mm
Color: Nice London Blue
Clarity: Clean
Luster: Stunning
Origin: Africa
Hardness: 8
Specific Gravity: 3.4 - 3.5+
Refractive Index: 1.61 - 1.64
Chemical Composition: Al2sio4(F,oh)3, Aluminum SIlicate Fluoride Hydroxide
Crystal Structure: Orthorhombic
Recommended
Retail Price:$50.00 ea.
Your price : $ 18.00 ea.

 

 

London blue topaz

 

Sold

Number of Pieces: 1 Pc(s). item # 67
Approx Weight: 2.00 Ct.
Product Type: London Blue Topaz
Shape: Octagon Cut
Size (Each): 8x6 mm.
Color: Vibrant Fine London Blue
Clarity: Clean
Luster: Ravishing
Origin: Africa
Hardness: 8
Specific Gravity: 3.4 - 3.5+
Refractive Index: 1.61 - 1.64
Chemical Composition: Al2sio4(F,oh)3, Aluminum SIlicate Fluoride Hydroxide
Crystal Structure: Orthorhombic
Recommended
Retail Price:$75.00
Your price : $ 25.00

 

London blue topaz

 

 

Number of Pieces: 2Pc(s). item # 81& 81a
Approx Weight: 1.20 Ct.
Product Type: London Blue Topaz
Shape: Octagon Cut
Size (Each): 7x5 mm
Color: Fine London Blue
Clarity: Clean
Luster: Stunning
Origin: Africa
Hardness: 8
Specific Gravity: 3.4 - 3.5+
Refractive Index: 1.61 - 1.64
Chemical Composition: Al2sio4(F,oh)3, Aluminum SIlicate Fluoride Hydroxide
Crystal Structure: Orthorhombic
Recommended
Retail Price:$55.00
Your price : $ 20.00

 

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