Fabulite strontium titanate ClearAntique/Vintage gemstone.new antique stock fb91

Description

1pc 14x7mm Marquise Cut Clear 4.99cts
Fabulite strontium titanate loose gemstone.
Fabulite is a lab created gemstone that sparkles and dances beautifully in light.  Fabulite is a diamond enhancer. Brands marketed it under "fabulite". Strontium Tinate, . Mohs hardness scale rating of about 5.5.
Fabulite was made popular back in the 1950's to make and treat semi, precious, and sometimes rare stones to give them the, prismatic reactions to light. Gave the stone the, fire and appeal under light. Strontium Titnate was then, Discovered naturally around 1982.
Differentiating the stones: you'll see bubbles, occlusions, and more often than not, they will be scratched.
This is an estate find from a retired jeweler.  The stones are antique and vintage New never used/mounted stones in original packaging. see pictures. Ask about combine shipping on multiple items.  Returns, buyer pays return shipping. Refunds are given once the item is delivered, ALL original packaging must be returned for a refund. You will be Refunded the purchase price minus original shipping. I combine shipping on multiple items.
Thanks for looking.