Alexandrite Sharp Briolette 3.6ct blue This is a really cool

This is a really cool material--lab sapphire grown for windows on the F35

all have a rich golden-yellow base color that shifts depending on the illumination

The hardness is around 6

It's the hardest gem that can feasibly be cut into a die and it is more brilliant than a diamond

It has a combination of browns

Alexandrite Sharp Briolette 3.6ct blue This is a really coolThis is a lab grown laser alexandrite laser faceted in a custom sharp briolette. It weighs in at 3. 6ct This is a real lab grown alexandrite (not one of the many simulants) which was faceted from a laser crystal top. This material is trichroic (meaning it shows three different colors depending on the direction you look through the stone, aligned with the faces of the cube), color changes under different lights and has strong red fluorescence it