Laser Cobalt Spinel Vivid Blue Facet Rough Lab Created Crystals Piece:Rough, 17.2×14.9×14.8mm, 6.24g Note that the camera exaggerates

Note that the camera exaggerates the red at the expense of the green--they do look better in person

It is used to help detect invisible radiation by absorbing it and converting it to easily-detected visible light--gamma rays and x-rays will activate its glow in addition to UV and even normal blue light

Cutting dice takes a lot of time and effort--you might as well start with something special

Deep Green Laser Garnet (CTH:YAG): This garnet is grown for use in far infrared lasers

Laser Cobalt Spinel Vivid Blue Facet Rough Lab Created Crystals Piece:Rough, 17.2×14.9×14.8mm, 6.24g Note that the camera exaggeratesThese 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