International Testing Laboratory & Gems Research Center

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Search Results for Report No : S401294616


Report No	:	S401294616
Date	:	25-Mar-25
Variety	:	Natural Topaz
VTEXT	:
Species/Group	:
Color	:	Blue
weight	:	16.76000
Shape/Cut	:	Oval/Mixed
Measurement	:	20.26 X 13.39 X 7.73mm
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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