活动搜索结果

Showing 0 结果 for "*"

深入探寻 2013 年图森展

Read more

Gem Localities of the 1980s

Read more

A Chart for the Separation of Natural and Synthetic Diamonds

Read more

Internal Structures of Natural Pearls from Pinctada maxima, Identification of Resin-Filled Turquoise, Spinel Inclusions Chart, and More……

Read more

Rare Musgravite Crystal in Green Sapphire

Read more

“Rose” Quartz

Read more

A Multicore Non-Bead Cultured Pearl

Read more

Gemfields Emerald and Ruby Auctions

Read more

“Out of the Darkness” …and Into the Light of Diamond Fluorescence

Read more

Natural Shell Blisters and Blister Pearls: What’s the Difference?

GIA researchers explore the differences between whole, blister, and shell blister pearls in this study using 33 samples from Pinctada maxima mollusks recovered off Broome, Australia.

Read more

Gilson Cat’s-Eye Synthetic Emerald

In the early 1960s, French ceramist and engineer Pierre Gilson succeeded in growing and producing flux synthetic emerald of commercially marketable quality.

Read more

Saltwater Bead Cultured Pearl with Laminated Nucleus

Read more

PreviousPage 124 of 239Next