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when doped with praseodymium instead you get this very odd multifluorescence: longwave UV gives a pale green
While facet-grade sphalerite is only rarely found in nature (and usually has a dark red or orange color)
It glows incredibly bright under UV light as well as higher energy radiation
Note that LiTAO3's hardness is just under 6
and the base color is a richer and purer pine green
Gemstone Eggs, Faceted Garnet Sapphire Perovskite Lab Crystals Weight and Size:Nd:YAG Long Egg, 34.1×23.1mm, 213ct when doped with praseodymium insteadThese are gemstone eggs, faceted from different lab grown crystals. Each is an exquisite and unique work of art with tons of facets and unmatched brilliance! Eggs are currently available in purple laser garnet (nd: YAG), laser perovskite (Nd+Ce: YAP) and colorless lab sapphire. We have two pairs of sapphire egg halves with polished hollows! These could be used to store your most precious items.