Diamond Slices
Crimson Prince Ruby from Namya
Baroque Pearls
The Beauty and Value of Inclusions, Plus Double Stars and Corundum from Tajikistan
Strong Pinkish Purple Freshwater Bead-Cultured Pearls
Large Namibian Demantoid Garnet
Green Nephrite Jade Attracts Buyers in Tucson
An update on the nephrite jade market from the 2015 GJX show.
LPHT 热锻的粉红色 CVD 合成钻石 (英语)
The New York lab examines three pink CVD synthetic diamonds which have received LPHT annealing treatment.
Synthetic Sapphire with Diffusion-Induced Color and Star
Diffusion treatment is used to induce color and asterism in a colorless synthetic sapphire.
Rubies and Sapphires from Snezhnoe, Tajikistan
This large marble-hosted occurrence in the Pamir Mountains is a potentially productive source of corundum, including ruby with a bright red color reminiscent of “pigeon’s blood” Burmese rubies.
Fluorite Sphere with Phosphorescent Coating
Bicolor Double-Eye Tourmaline
Unusual Pink Sapphire Bead
Iridescent Musgravite
A musgravite specimen’s inclusions result in an optical phenomenon unusual for the material.
Unique Tourmaline Necklace
An unusual parti-color tourmaline necklace and clasp are seen at the 2015 AGTA show in Tucson.
Nonbead-Cultured Pearls from Strombus Gigas
Advances in pearl culturing are seen in a parcel of specimens from Strombus gigas gastropods.
在 GIA 鉴定所鉴别出的近无色的米粒尺寸高压高温 (HPHT) 合成钻石 (英语)
The Bangkok lab examines near-colorless HPHT synthetic diamonds in melee sizes.
Unusual Combination of Inclusions in Synthetic Star Sapphire
A hexagonal boundary, usually found in natural material, is observed in a synthetic star sapphire.
.jpg "YMAL GIA Ed")
