International Testing Laboratory & Gems Research Center

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Search Results for Report No : S237528967


Report No	:	S237528967
Date	:	02-Feb-22
Variety	:	Natural Topaz
VTEXT	:
Species/Group	:
Color	:	Blue
weight	:	8.53000
Shape/Cut	:	Octagon/Step
Measurement	:	13.55 X 9.89 X 6.55mm
Refractive Index	:	1.610 - 1.620 Biref 0.010
Gravity	:	3.55
Specific Comment	:	This gemstone is also known as London blue topaz.
General Comment	:

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