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showing a silky chatoyance caused by twinning
I don't know exactly what colors it
A few have chips and/or cracks and range in size from small pucks to large rods and cores
We have a quick video introduction to using the spectrometer here: https://youtu
With the incredible accelerations and speed that have to be withstood an ultra hard
Giant Soviet Laser Ruby Rod, Polished skull showing a silky chatoyance causedThis is a super classic ruby laser rod, old surplus left over from the Soviet Union. It's basically the opposite answer to the Star Wars laser rubies, with a similar pink red tint. This would have likely been grown by the Czochralski method it is polished all around and only has minor chipping on the end faces. Overall it's an incredible piece and would also make amazing rough for gemstones if you could bear to cut it up. The rod measures 15. 8mm in
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