OCT 8x10mm high quality london blue topaz gemstones

Size: 8x10mm

Colour: london blue

Shape: OCT

SKU: SP0426



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Topaz Gemstone:

Name:London Blue Topaz
Crystal system:Orthorhombic system
Chemical formulaAl2SiO4(F1OH)2
Luster:Glass
Hardness:8
Proportion:3.49
Refractive index:1.63-1.64 
Transparency:Transparent


precious topaz

real topaz

london topaz birthstones


Advantages of Messi Gems:

1. Manufacturer since 1998.

2. 9 Quality Control Processes.

3. Output: 200 million pieces monthly.

4. Fast Shipping: 1-2 days (Stock)


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Messi Gems