Pinctada maxima cultured pearls grown beadless in the mantle
Pinctada maxima cultured pearls grown beadless in the m […]
New rubies from central Tanzania
New rubies from central Tanzania. Published in Gems &am […]
Natural impregnation of a rock by copper minerals
Natural impregnation of a rock by copper minerals. Publ […]
Einige Gedanken zu Jadeit-Jade
Einige Gedanken zu Jadeit-Jade. Published in Zeitschrif […]
Blick hinter die Kulissen: Zuchtperlen aus aller Welt
Blick hinter die Kulissen: Zuchtperlen aus aller Welt. […]
Vanadium-bearing gem-quality tourmalines from Madagascar
Vanadium-bearing gem-quality tourmalines from Madagasca […]
Gem-quality taafeeites and musgravites from Africa
Gem-quality taafeeites and musgravites from Africa. Pub […]
Perlenzucht mit Pinctada maxima in Südost-Asien – ein Beispiel
Perlenzucht mit Pinctada maxima in Südost-Asien – ein B […]
Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis
Laser Ablation Inductively Coupled Plasma Mass Spectrom […]
The Origin Determination of Gemstones: Challenges and Perspectives
The Origin Determination of Gemstones: Challenges and P […]