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throwing rainbows with the slightest provocation
most vibrant D20 ever
The Big One is a segment of a 1m long laser rod with one polished
and occasional blue
and like Ce:YAG and LuAG it is used as a scintillator to help detect invisible radiation
Faceted Zinc Sphalerite, White ZnS Gemstones Stone:Round (Crackled), 6mm, avg. 0.9ct throwing rainbows with the slightestThese are faceted labmade Zinc Sphalerite (ZnS). While facet grade sphalerite is only rarely found in nature (and usually has a dark red or orange color), and is very difficult to cut, if you're brave enough to cut it, the resulting stones have incredible fire and dispersion. Colorless ZnS is grown for use for optics, and various doped versions are used as phosphors if you have an old oscilloscope, the iconic blue or green display panel likely used
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