egem.com
EGEM 2003 Fine cut gems and select facet rough gemstones, wholesale and retail
E*Gem (EGEM) Select facet rough (gemstone rough) fine faceted gemstones, and beautiful Mineral Specimens from Africa, China, and around the world.
jewelrybymelanie.com
Jewelry by Melanie, semi-precious stone bead necklaces, bracele
Bead necklaces, bracelets, pendants, cabachons, and earrings. Jewelry designed by Melanie.
cigem.ca
Gemology World – Canadian Institute of Gemmology
Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.
mexico-obsidienne.com
Achat de bijoux et pierres naturelles - Mexico Obsidienne
Retrouvez les plus beaux pendentifs, bracelets et bagues en pierres et précieuses naturelles sur Mexico Obsidienne | Obsidienne du Mexique | Artisanat | Qualité