Turquoise #20 | Sleeping Beauty Seafoam Birthstone - Jewelry The Stone: Lightning Ridge Black

The Stone: Lightning Ridge Black Crystal Opal

Found most frequently in Utah (so much so that the stone was once popularly referred to as "Utahlite")

Material ranges from 2 to 7 on the Mohs hardness scale depending entirely on the amount of silica (or quartz) in the stone's makeup

Chrysocolla's translucency helps differentiate it from opaque turquoise

bezel measurements: 7

Turquoise #20 | Sleeping Beauty Seafoam Birthstone - Jewelry The Stone: Lightning Ridge BlackThe Stone: Sleeping Beauty Seafoam Turquoise natural unstabilized The Weight: 464. 04 carats The Origin: Sleeping Beauty Mine, Arizona The Cut: Natural Nugget stone measurements: 3 inches x 2. 5 inches x 1. 25 inches About Turquoise: What once was regarded a common byproduct of copper mining is now realized to be a rather scarce gem. Typically found in or near copper mines around the world, turquoise from each locality differs in color, quality,