On today's unboxing, we're checking out Kyanite, a unique blue stone with strange physical properties. Learn about Polymorphs, directional hardness, and see some destructive tests for gem identification. Plus cool rough specimens and rare faceted gems!

00:56 Rough Kyanite
02:39 Kyanite Jewelry
05:04 Scratch Test & Fracture
07:48 Andalusite & Sillimanite

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