Here for your consideration is an exceptionally rarel hand crafted Gem Blue Otjoruharui Chalcedony barrel bead. This incredible copper included cryptocrystalline form of silica was mined in the early 1980's and is coveted for it's rich vibrant near chatoyant translucency. According to the IGS, Chalcedony such as this Otjoruharu blue, was once thought to be a 'fibrous' variety of cryptocrystalline quartz, but more recently discovered to be a combination of quartz and another silicate mineral; Moganite (a polymorph of quartz). Both quartz and moganite share the same silicon dioxide chemical composition, but they have varying crystal structures. Moganite is monoclinic, while traditional quartz belongs to the trigonal crystal system. Chalcedony forms with a hexagonal crystal structure. With few very very minor iron inclusions barely visible to the naked eye, this piece exhibits a brilliant semi translucent, slight adularescent- iridescent blue lavendar purple which changes tone under different lighting.

Watery, vitreous polish. 45° chamfered hole. Hand made by Lexx.

Quite the bragging specimen for your heirloom collection. A scarce heirloom collectible.

Photographs taken under full spectrum LEDs. Not dyed (You can verify that with a Chelsea filter) unheated and untreated.

Gold chain not included.

Length - 8.06 mm
Width -10.54 mm
Hole - 4 mm
Origin  - Otjoruharui, Okahandja District, Otjozondjupa Region, Namibia

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