Gem's Luster - Free Gemology Course

Описание: Discover the magic of gemstone luster! This video of our free gemology course explores seven lusters: adamantine, subadamantine, vitreous, resinous, waxy, greasy, and pearly, through stunning gemstones.
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00:00 Introduction
00:10 Adamantine luster diamond
00:22 Subadamantine luster cubic zirconia
00:39 Vitreous luster padparadscha
01:06 Subvitreous fluorite
01:19 Resinous luster amber
01:41 Waxy luster turquoise
01:51 Greasy luster jade