Inorganic - not made by a living organism or from its remains, Crystalline - Arrangement of atoms in a regular repeating pattern, Carbonate - mineral group containing carbon, oxygen, and metal ion, Silicate - largest mineral group containing silicon and oxygen, Sulfide - mineral group with sulfur bonded to a metal ion, Sulfate - mineral group with sulfur, oxygen and a metal ion, Halide - mineral group containing chlorine or fluorine and a metal ion, oxide - mineral group containing oxygen bonded to a metal ion, native metals - metals found in element form (not chemically bonded), cubic - crystal system with three equal axes at right angles, tetragonal - crystal system with two equal-length axes and one longer or shorter at right angles, orthorhombic - crystal system with three different length axes at right angles, hexagonal - crystal system with three axes at 60 degrees and one axis at 90 degrees, monoclinic - crystal system with three unequal length axes; one axis not at 90 degrees, triclinic - crystal system with three unequal length axes that are not at right angles, streak - color of the powdered form of the mineral, cleavage - tendency of a mineral to break along flat plane(s), fracture - tendency of a mineral to form an uneven surface when it breaks, specific gravity - comparison of the density of a mineral to the density of water, hardness - a minerals resistance to being scratched, Moh's scale - Measurement of hardness from 1-10 based on representative minerals, luster - describes how light interacts with a mineral, metallic luster - reflected light indicates a shiny surface, vitreous - luster that resembles glass, pearly - luster that has an iridescent look,

Minerals

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