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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
They are available in calibrated sizes and in fancy cuts
but cobalt spinel has a hardness of 8 and is ideal for use in all times of jewelry
This is the first of our Literal™ solid gem rings
I don't have time to photograph and sort them
Orange Lithium Tantalate Facet Rough, Lab Created Gem of Science flux They are available in calibratedThis is lab created yellow orange lithium tantalate facet rough. Each is labelled with its gram weight and letter in the photo and they can be purchased individually. This is lithium tantalate (LiTaO3), an old rarity of the gem world that is rarely seen today outside of industry. It was briefly used as a diamond simulant and marketed as 'tantalia', but was never very successful tantalate is much brighter and more dispersive than a diamond,so there was
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