SDI/'Star Wars' Laser Ruby Loose Faceted Stones, Fancy Cuts

SDI/'Star Wars' Laser Ruby Loose Faceted Stones, Fancy CutsThese are lab created laser rubies grown for use in the Strategic Defense Initiative, aka 'Star Wars' program, in the 1980s. Like all rubies they have a high hardness of 9, great brilliance and glow red under UV. This is the most classic gem produced by science: laser ruby. While material of this color would be called 'pink sapphire' in a gemological context, in laser science all corundum doped with chromium is considered ruby (in contrast to pink

modeled after Taylor Swift's engagement ring stone

It weighs in at 3

If you've ever been to a Quiznos think of the ovens with a conveyor belt they use to toast subs evenly--it's basically that but with a giant flat pan of molten

peach or golden yellow color depending on proportions that shifts depending on the lighting

has incredible fluorescence and is totally clean

Note the points are sharp and delicate

Some have bubble inclusions

lab-created alexandrite facet rough

4g piece measures 15x12

This means that depending on the application you might see crystals that only have Nd or ones that are almost entirely Ce with just a pinch of Nd

it isn't extreme enough to be 'high glow' material

and the added iron gives it a color ranging from a lighter peach to a deep orange-red