Tanzanite before heat treatment
3,788 views · Published 4 March 2011 · 0:17 · Indexed 1 November 2026
Channel: MoreGems.com · 2011 · Education
tanzanitejewelrydesigns.com These two tanzanites a barion style square brilliant and a barion style emerald cut are natural untreated gems. The following video will show them after treatment.
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