Uranium glass article JS-19 polished, partially transparent. Borosilicate optical glass yellow ZhS19 - 1.37% UO3 through uranyl nitrate UO2(NO3)6H2O". Made in ex-USSR in 80-90th years.

Basically color - yellow
Luminescent - green under UV light, Electric arcs, blue laser

Radioactivity: up to 2.19 uSv/h
Dimensions 50x50x20 mm
Weight 110 g

1 lot = 1 piece

There is more color glass in stock, also luminescence without radiation too! Look other my items! Thank you

Full books about this and other optic glass on Rus lang & Eng lang translated here:

Glass Catalog+English.pdf
GOST-9411-91+ENG.pdf