Minerals

Rocks + + Minerals ??? Minerals ??? •Homogeneous •Naturally N t ll Occurring O i •Inorganic •Solid •Definable chemical composition •Orderly arrangement of atoms The Atom Electrons 1/1850 the mass of the proton Protons 1.66 X 10-24 g Neutrons Nucleus Periodic Table of the Elements Compounds – more than one element in its structure Molecule – smallest piece of a compound Periodic Table of the Elements # of Protons # of Protons + Neutrons Isotopes At i mass Atomic Crystal Growth •Solidification from a melt •Precipitation from a solution •Solid state diffusion Crystal Growth •Solidification from a melt •Precipitation from a solution •Solid state diffusion Crystal Growth Crystal Growth Well-formed Wellcrystal faces Without well well-formed crystal faces Mineral Classification Mineral Classification Silicates ~ (SiO4)-4 Mineral Classification Carbonates Mineral Classification Oxides Mineral Classification Halides Mineral Classification Sulides//Sulfates Sulides Mineral Classification Native Minerals ...Rocks + + Minerals ??? Minerals ??? •Homogeneous •Naturally N t ll Occurring O i •Inorganic •Solid •Definable chemical... Classification Halides Mineral Classification Sulides//Sulfates Sulides Mineral Classification Native Minerals