The name "biotite" is used because these minerals generally cannot be distinguished without optical
plant materials
It is also one of the hardest
Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise
which receive their color from trace amounts of chromium
Flower Jade 8mm Round - 15-16 Inch Size_15-22x26-30mm The name "biotite" is usedFlower Jade is a form of Jadeite, a sodium aluminum silicate and one of the two minerals that are commonly known as Jade, the other being Nephrite. It may be red, orange, yellow, green, blue, lilac, pink, black, white or brown. Jade has been known and treasured for more than 6,000 years and has been revered as the ultimate Dream Stone since ancient cultures.