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Synthetics
Prices include 20% VAT
composed of various genuine and synthetic stones
cut: cabochon oval
origin: unknown
treatment: Glued
clarity: opaque
Geneva Ruby was the first synthetic gemstone ever produced, a historic rarity!
cut: oval
origin: Switzerland
treatment: Synthetic
clarity: distinct inclusions
actually this is not a synthetic ruby but a natural umba ruby with a glass filling in one place only. from a gemmologist's collection
cut: oval
origin: Tanzania
treatment: Glass-filled
clarity: distinct inclusions
russian hydrothermal synthetic with typical jagged colour zoning
cut: triangel
origin: unknown
treatment: Synthetic
clarity: eyeclean
produced in the 1980ies, from an old gemmological collection
cut: cabochon oval
origin: Switzerland
treatment: Synthetic
clarity: very small inclusions
produced in the 1980ies, from an old gemmological collection
cut: round plate
origin: Switzerland
treatment: Synthetic
clarity: opaque
shows the typical lizard skin effect of early gilson synthetic opals
cut: square
origin: Switzerland
treatment: Untreated
clarity: opaque
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