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including plumes of metallic copper
) but sometimes they make mistakes
I don't think fantasy cut lithium niobate has ever been available before--it's an odd combination
These are lab created laser rubies grown in the Alexandrov lab in the Soviet Union back in the 1980s
The side holders have detents to keep the precision handpiece in place but allow it to be removed if desired
CTH:YAG Faceted Loose Stones, Cut Green Lab Garnets Size:Swirl 13.7x9.1mm 8.6 ct including plumes of metallic copperThese are lab created green laser garnets, aka CTH YAG. Each cut stone can be purchased individually. This is a classic laser gem, CTH YAG. Like normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of thulium takes the energy from the chromium atoms, splits it into two pieces, and sends it to the holmium atoms for the final infrared emission. Since the chromium's energy has been taken, it no longer glows red, and