Turtle's Hoard LuAG T-shirt ruby 'Phantom YAG': An unusual material

'Phantom YAG':  An unusual material that occurs from contamination at the edges of HDSM boules of laser YAG

a wonderful mineral that is only rarely cut as gemstones

and the dichroic nature should make it incredible when rolled

never found in nature

Even broken it is an incredible gem of science

Turtle's Hoard LuAG T-shirt ruby 'Phantom YAG': An unusual materialThis premium t shirt, brought to you by Turtle's Hoard, is all black, with a faceted LuAG Lumogarnet on the front. It's a great way to show that you're a fan of Gems of Science and of Turtle's Hoard. .: Made with medium fabric (5. 3 oz yd (180 g m)) consisting of 100% cotton for year round comfort that is sustainable and highly durable. .: The classic fit of this shirt ensures a comfy, relaxed wear while the crew neckline adds that neat, timeless look