Many people have heard of zircon but never seen it. This is mostly because of colourless zircon’s wide use as a diamond simulant in the early 1900s.
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Colour modification is observed in a reddish orange zircon at the Bangkok laboratory.
Read MoreGem-quality zircon from a relatively underdeveloped locality in the Harts Range of central Australia is described.
Read MoreThe Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Read MoreAn overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.
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