Dergi 2017-2 SAYI 3
Gemological Gemstones Rocks Fossils Minerals Lapidary Collectors society Turkey sector knowledge
Gemological Gemstones Rocks Fossils Minerals Lapidary Collectors
society Turkey sector knowledge
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Dendritli opal –Agat Hasan Özel<br />
Agat ,Azurit –Osman Yılmaz<br />
Tokat Agat – Murat Okkan<br />
Agat – Ali Dede<br />
Collawood – Necmettin Eryılmaz