d43ae596_mstone_Information___Ruby_Mill__Yes
[Alexandrite] Tanzanite [Chrysoberyl] Zoisite [Excellent] Poor [Yes_4] No Use 'warm water only' in a mild soap and water solution to avoid thermal shock. Also avoid sudden temperature changes in outside conditions. Tanzanite has the appearance of a sapphire, but does not have the same durability. A perfect cleavage means avoiding physical knocks to prevent damage. [Yes] 
No
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