看看在亚当·桑德勒电影《未切割的切割》中扮演主要角色的粗糙蛋白石。蛋白石的真正宝石学和来源信息是什么？

一支抒情的舞蹈：时而一个大踢腿，大胆闪烁着丰富的色彩，时而是细碎的舞步，闪现出星星点点的光芒。

Provides a visual guide to the internal features of natural, treated, synthetic, and imitation opal.

Documents a visit to the sapphire, opal, and emerald mining and trading areas of Ethiopia.

Renfro N.D., Koivula J.I., Muyal J., McClure S.F., Schumacher K., Shigley J.E. (2019). Charts: Inclusions in natural, synthetic and treated opal. Gems & Gemology, Vol. 55, No. 2, pp. 244-245.

At the AGTA show, Rare Earth Mining Co. (Trumbull, Connecticut) displayed an unexpected material: Indonesian opal reportedly from West Java.

Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.

Opal purportedly from a new deposit is found to be dyed.

An eye-catching replica from a cult TV favorite is found in Tucson.

Chatoyancy, rarely seen in play-of-color opal, is observed in Ethiopian material.

Plans to develop a collective in a remote Brazilian rutilated quartz mining community are unveiled.

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