Gem indicators in gravels when searching for sapphire and zircon
42.1 هزار بار بازدید -
7 سال پیش
-
This is a video to
This is a video to show the type of gravel and what associated minerals to look for when chasing sapphires and zircons in NSW gemfields.
7 سال پیش
در تاریخ 1396/10/27 منتشر شده
است.
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