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Silicon dioxide - Wikipedia. Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula Si O 2, most commonly found in …

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Bond work index tables (wi) from various sources Prepared by K. G. Tsakalakis, Professor NTUA Table of Materials Reported by Fred Bond1 2 1

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A mineral is a naturally occuring, homogeneous, solid with a crystalline atomic structure. Crystallinity implies that a mineral has a definite and limited range of composition, and that the composition is expressible as a chemical formula.

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