Nick Hodgson on Buying Gemstones in the hills of Sri Lanka
Nick Hodgson of www.astrogems.com explains how he buys gemstone crystal material on the streets in the gem mining areas of Sri Lanka. the challenge is to find unheated clean non flawed crystals for cutting and faceting into beautiful gemstones.
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Nick Hodgson in an impromptu visit to a Sapphire Mine, Sri Lanka
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Sri Lanka Unearthed Pt 1: A story of sapphire mines and sparkling gems.
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Introduction to the Sri Lankan Sapphire Market (2 of 2)
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Berawala Sri Lanka Gem Market The Natural Sapphire Company
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Catfishing Scammers in Sri Lanka
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I Went Sapphire Mining in Chanthaburi Thailand. Precious Gemstone Capital of the World.
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How to use the DICHROSCOPE to test gemstones for pleochroism
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Heat Treating Montana Sapphire
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