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Gem Identification Bluechart 2023
Gem Identification BlueChart
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Diamond?
Irradiated?
HPHT treated?
Synthetic?
Ruby?
Glass filled ?
Diffused?
Synthetic?
Gemstone Identification
Blue Chart
Edition 2023
Emerald?
Fracture filled?
Triplet?
Synthetic?
Sapphire?
Heat treated ?
Diffused?
Synthetic?
    A compilation of
key information
for the gemologist:
- to analyze the results obtained with the standard gemological tools
- to distinguish between
natural
and
treated
gemstones,
synthesis
and
imitations
- to avoid
traps
and potentially
misleading
results
Overview
Order now
    "... Highly recommended for gemmologists ..."
    GEM-A / Gems & Jewellery winter 2019
    "... Blue Chart's new incredibly comprehensive and detailed gem ID chart ..."
Instore Magazine november 2002
Amber?
Amber or copal?
Clarity improved ?
Reconstructed?
Gems, Minerals, & Fossils WebRing
by
s_r_a_inc
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Turquoise?
Impregnated?
Reconstructed ?
Ceramic?