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A battery along with a charger that works both on a normal wall outlet and a car cigarette lighter
These are partial and complete laser rods in a variety of different types of YAG (yttrium aluminum garnet)
We have repurposed these spectrometers with custom accessory hardware and an updated internal database of 500 spectra of the most important gem minerals for matching
Some have bubble inclusions
This is a custom-designed adapter for cutting tables at approximately 45 degrees
Giant Soviet Laser(?) Ruby Crystal, Wand or Sword Blade exotic A battery along with aThis is a bizarre crystal of ruby from an old collection of Soviet material. I am not even sure of the growth method it is very long and slender, and flattened, which makes me think it may have been grown by floating zone, though some sort of ultra refined flame fusion could be possible too. The unusual growth and lower concentration pure chromium doping makes me think it is likely laser ruby, meant to be grown for one long rod. The base has some
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