Prehnite, Natural, Faceted Rice Beads, One 6x8mm Strand

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Prehnite, Natural, Faceted Rice Beads, One 6x8mm Strand. 

This price is for one strand 15 to 16 inches long. 

6x8mm rice bead strands about 40 pieces.

Prehnite is a silicate material and can show a pearly luster. Its color varies from light green to yellow, but also colorless, blue, pink, or white. In April 2000, rare orange prehnite was discovered in South Africa. Prehnite is mostly translucent, and rarely transparent. The black in prehnite is black tourmaline. Brandy prehnite has the green and yellow browns together. 

It was first named in 1788 in South Africa for a Colonel Von Prehn, commander of the Dutch military forces. Some of the most important deposits come from Africa, Australia, Canada, China, Germany, Scotland, France, Brazil, and the United States in New Jersey, Pennsylvania, and Virginia. 

Hardness 6-6.5 

This is a natural stone that has had no treatment other than cutting, and polishing in China.