by Richard W. Hughes
从孔雀蓝到鸽血红 细数宝石之美 • 红蓝宝石之动人色泽

Chinese-language translation of Lotus Gemology's ruby and sapphire color types.

Read More
by Lotus Gemology
From Peacock to Pigeon's Blood: Deconstructing Lotus Color Types

บทคัดย่อเรื่องการจำแนกสีทับทิมและแซฟไฟร์ ที่ใช้ในโลตัสเจมโมโลจี

Read More
by Richard Hughes
Ruby & Sapphire Books • Collecting the Literature of Ruby & Sapphire (Corundum) • Hidden Treasure

A discussion of the literature of ruby and sapphire (corundum), with particular emphasis on the most collectible books covering ruby and sapphire around the world.

Read More
by Richard Hughes

The story of Richard Hughes' four-decade adventure with jade, from Burma's jadeite mines to China's classic mutton-fat nephrite deposit at Hetian, Xinjiang Province. The work of China's modern jade carving masters is also discussed.

Read More
by Richard W. Hughes, E. Billie Hughes & Wimon Manorotkul
Black Star Sapphire Surprise

A large black star sapphire was brought in for testing. Two large pits on the base were carefully filled with brown dopping varnish. After removal of the varnish with alcohol, it was found that a large portion of the base had been filled with a lead glass.

Read More
by E. Billie Hughes
Gems & Gemology Lectures

Lotus Gemology's gemologists have lectured extensively about a wide variety of gemological topics including ruby, sapphire, jade, and more.

Read More
by Richard W. Hughes, Auslan Ishmael, Flavie Isatelle & Peter Wang
Laos Sapphires • Laos – Land of a Million Elephants... & Sapphires

The history of the Lao sapphire mines at Ban Huay Xai is detailed, along with modern mining by Hong Kong based Sino Resources Mining Corp. Ltd. from 2006–2012.

Read More
by E. Billie Hughes
Six-Rayed Star in Sapphire from Myanmar

A Burmese sapphire shows a celestial scene both externally and internally.

Read More
by E. Billie Hughes
Mogok Ruby With Remarkable Twinned Calcite Inclusion

An included calcite crystal within an unheated Burmese ruby displays dramatic twinning planes.

Read More
by E. Billie Hughes
Sapphire With Growth Tube Cluster • Sapphire Inclusions

Surface-reaching growth tubes in a sapphire provide insight into the gem’s origin and treatment history.

Read More
Back to top