Polysilicon Chips
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Polysilicon Chips are made from sand by means of a complex reduction and purification process using Trichlorosilane and Hydrogen. Then the Polysilicon Chips are further distilled and reduced and finally deposited on heated Titanium or Tantalum tubes. After further processing it becomes the material you see in the image below, or it may be in a granular form.
The Poly is in a quartz container called a crucible and this material is now ready to go on to the next processing step in the manufacturing of a high quality Silicon wafer. This part of the manufacturing process is carried out by large Silicon manufacturers or the material is sometimes purchased by Silicon companies from other vendors.