Ametrine, Uruguay
by Joel E. Arem
Title
Ametrine, Uruguay
Artist
Joel E. Arem
Medium
Photograph - Photograph
Description
Quartz, silicon oxide (silica), is one of the most abundant and ubiquitous minerals in the earth's crust. It is the primary constituent of beach sand and occurs in many colors, all of which are used as gemstones. Amethyst, the most valuable, is the purple variety, and citrine is the yellow or orange variety. The stone pictured is from Uruguay, where a unique occurrence produces transparent quartz that is color zoned from purple to yellow-orange. Gems cut from the material around the plane of the color change can display both hues, and are termed 'ametrine'.
Uploaded
August 1st, 2019
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