Alexandrite

Basic Information:

Often descirbed by gem aficionados as “emerald by day, ruby by night”, Alexandrite is the very rare color-change variety of the mineral chrysoberyl.

Locations Found:

Originally discovered in Russia’s Ural Mountains in the 1830s, it’s now found in Sri Lanka, East Africa and Brazil -but fine material is exceptionally rare and valuable.

Specifications:

Colors : Bluish green in daylight,purplish red in incandescent light
Hardness : 8.5
Refractive Index : 1.746 to 1.755
Specific Gravity : 3.73