d43ae596_mstone_Information___Ruby_Mill__Yes
[Alexandrite] Tourmaline [Chrysoberyl] All varieties [Excellent] Good [Yes_4] No Using commercial jewellery cleaners is ok. When using mild soap and water solutions use ' warm water only' as high temperatures may fade the colour of treated stones. Sudden temperature change may also induce thermal shock. Avoid prolonged exposure to sunlight or strong artificial light as irradiated stones may fade to their original paler colour. [Yes] 
Yes
Y e s
N o
Y e s U n l e s s c o a t e d
Gemstone Care - Gemstone Information - Ruby Mill
Yes