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In addition to its value as a gemstone
Biotite was named in honor of the French physicist Jean-Baptiste Biot
It is a hard ceramic in the Beta-Aluminate family
is a lab-made form of zirconium dioxide
Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise
Peruvian Turquoise (Chrysocolla) 4mm Microfaceted Round - 15-16 Inch R1184 In addition to its valuePeruvian Turquoise is also known as Turquoise Chrysocolla. Its attractive blue green provides a unique color to the mineral world. Peruvian Turquoise is an important ornamental mineral for jewelry and adorned the ceremonial dress of early native Inkas. It also brings good fortune and attracts healing spirits. Delicate veining, caused by impurities, is desired by some collectors as proof of a natural stone.