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Quantity
1
Description
These are pucks and rods of sapphire ceramic which were grown as feedstock for growing optical grade sapphire crystals. They are essentially polycrystalline lab sapphire--the multi-step growth allows for greater purity which is essential f...
Reviews
3.8
5 ratings
5
4
3
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1
Material is extra sparkling in rough form. Once cut, material goes dull, no sparkle. Will not buy again…
Albert · January 15, 2025
Great material
D
Donald · May 22, 2024
They sent the first one, but lost contact with the second. They did eventually send me 2 to apologize but I never got a email back notifying me about either the shipping or the other package. Had not caused all this confusion they would get 5 stars