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Rough Ruby, sapphire and Corundum identification measuring hardness using HMKIS diamond tester🔥💎🔥💎
33:13
YouTubeHappy Lost Souls
Rough Ruby, sapphire and Corundum identification measuring hardness using HMKIS diamond tester🔥💎🔥💎
identifying Rough gemstones found in South Eastern Pennsylvania..A quick guide to identifying sapphires and ruby's aka Corundum..video explains how to use. cheap diamond tester to measure hardness and some other test used to identify rough corundum..as well as where u can find them I'm natural form and where and how they form....
55.7K viewsMay 3, 2023
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