Turquoise Grading.

Описание к видео Turquoise Grading.

Have you ever wished there were a way to grade your turquoise? In this video Mike shares the Robert's/Ryan( R2) Rules of Turquoise Grading by demonstrating the application of the rules to a range of turquoise all from the Bisbee mine. Please follow the examples and then do your own grading of these stones and share your results in the comments.

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