World-renowned jewelry artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.

研究宝石学家 Rebecca Buys（丽贝卡·拜斯）是设计师兼估价师，拥有充实的事业历程，为加利福尼亚州圣地亚哥的 GIA 校友指点机遇。

A first-person account of cutting a 3,019 ct piece of white opal to create a 1,040 ct gem with play-of-color across the surface.

Boulder opal in sandstone matrix is seen as beads in Tucson.

Unusual types of opal are seen at the Pueblo Show in Tucson.

An opal rough is immersed in water and treated with oil and Opticon to observe effects on transparency and play-of-color.

Documents a trip to the renowned opal fields of Lightning Ridge, Koroit, Yowah, and Quilpie.

The properties of petrified woods originating from various localities in Thailand and Myanmar are examined.

A guide to capturing gem inclusion scenes using practical equipment and techniques and the appropriate image-refining software.

At AGTA, exquisite jewelry pieces inspired by natural scenes were on view.

就像毛毛虫蜕变成蝴蝶，主要珠宝商将原始元素转化为可佩戴的艺术作品。 抛开对昆虫的一切成见，准备进入另一个世界—— 一个你可能经过无数次，但却从未注意过的世界。

The Stayish mine in Ethiopia’s Wollo province has been producing black opal since 2013.