Polycrystalline Silicon Money Magnet Bracelet - Location: Rio Grande do

- Location: Rio Grande do Sul

- Quality: High-quality mineral specimen with excellent crystal formation

The amber forms a protective

and silver deposits

and researchers due to their scientific significance

Polycrystalline Silicon Money Magnet Bracelet - Location: Rio Grande doWeight : 500 Grams (Pkt) Location: USA Product Description Polycrystalline Silicon is a manmade material produced by refining silicon into multiple crystal grains, resulting in a metallic grey to bluish appearance with a crystalline, blocky texture. It is typically formed in irregular chunks with reflective surfaces. Manufactured in the USA, this material is composed of high purity silicon and is widely used in industrial and technological