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pure emerald green color with no fluorescence
Cutting dice takes a lot of time and effort--you might as well start with something special
Note that the camera exaggerates the red at the expense of the green--they do look better in person
It weighs in at 75g and measures 29 x 30 x 27mm
Laser Cobalt Spinel Vivid Blue Facet Rough Lab Created Crystals Piece:Rough, 17.2×14.9×14.8mm, 6.24g pure emerald green color withThese are Czochralski pulled cobalt spinel grown for use in lasers. Each can be purchased individually. This is cobalt spinel, one of the most purely colored lab created crystals! While it is sometimes found in nature as a very rare and prized gemstone, cobalt spinel is also valuable in industry. It can act as a q switch in lasers, transforming a continuous firing laser into a powerful pulsed laser which releases its energy in discrete bursts. It has
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