NATS 1750 Chapter Notes - Chapter 5: Crystal Habit, Faceting Machine, Silicate Minerals
22 Dec 2017
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Sugar, fat, plastic, propane and protein are organic chemicals: almost all minerals are inorganic, meaning that there are not organic chemicals. Di raction: di raction: the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an. Friday, november 24, 2017 edge, typically accompanied by interference between the wave forms produced. The pattern is de ned by the regular spacing of atoms and if the crystal contains more than one element, the the regular alternation of atoms. The pattern of atoms in a crystal may control the shape of the crystal. The unique physical properties of a mineral re ects its chemical composition and crystal structure - identi able through their structure: classifying minerals according to their chemical composition: silicates, oxides, sulphides, sulphates, halides, carbonate, native metals. The silicates minerals are the most common on earth.
