Today I'm offering up for auction a beautiful specimen of high-purity crystallized silicon, a very lustrous, large piece with a distinctive surface. Produced through an industrial process, originally intended for technological applications. A piece not to be missed! Lustrous High-Purity Crystallized Silicon 417 grams 1 Piece - 91 x 69 x 59 mm about please be careful with the description and measures COMBINED SHIPPING (if you buy more items in the same auction you only pay 1 shipment) Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-40 days for rest of the world )