Gem-quality taafeeites and musgravites from Africa
Gem-quality taafeeites and musgravites from Africa. Pub […]
Transparent dumortierite and sapphirine from Tunduru, Tanzania
Transparent dumortierite and sapphirine from Tanz […]
The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar
The orientation and symmetry of light spots and asteris […]
A Raman investigation of the amblygonite-montebrasite series
A Raman investigation of the amblygonite-montebrasite s […]
Uncommon minerals of gemstone quality from Tanzania
Uncommon minerals of gemstone quality from Tanzania. Pu […]
Gemmological properties and chemical composition of gemquality taaffeites and musgravites from Sri Lanka and Africa
Gemmological properties and chemical composition of gem […]
Asterism in beryl, aquamarine and emerald- an update
Asterism in beryl, aquamarine and emerald- an update. P […]
Red and green labradorite feldspar from the Congo
Red and green labradorite feldspar from the Congo. Publ […]
Synthetic Verneuil corundum with unusual color zoning
Synthetic Verneuil corundum with unusual color zoning. […]
Pezzottaite, a new mineral and gem
Pezzottaite, a new mineral and gem. Published in Journa […]