| A | B |
|---|
| mineral | NATURALLY formed, INORGANIC (non-living) SOLID that has a definite CRYSTALLINE structure |
| elements | pure substnaces that CANNOT BE BROKEN DOWN into simpler substances by ordinary chemical means |
| all minerals contain | one or more of the 92 naturally occuring elements |
| To be a mineral | an object must answer YES to 4 specific questions |
| Minerals must be | NON LIVING, SOLID, NATURAL, CRYSTALLINE IN STRUCTURE |
| atom | smallest part of an element that has all the properties of that element |
| compound | substance made of atoms of TWO or MORE different elements JOINED by chemical bonds |
| native element | a mineral that is composed of only ONE element ( gold or silver) |
| crystal | a solid whose atoms, ions or molecules are arranged in a definite PATTERN |
| Minerals are grouped into crystal classes according to | the kinds of crystals they form |
| Minerals are mostly classified by | chemical composition (make-up) |
| Minerals are either | silicate or nonsilicate based on the elements thay are made of |
| SILicate mineral | a mineral that contains a combination of SILicon, oxygen, and one or more metals |
| nonSILicate mineral | a mineral that does NOT contain compounds of silicon and oxygen |
| 90 % of the Earth's crust is made of | silicate minerals |
| common silicate minerals | quartz, feldspar, mica |
| Minerals can either be | elements or compounds |
| a crystal's SHAPE s determined | by the ARRANGEMENT of the molecules or atoms wihtin the crystal |
| common NON silicate minerals | copper, gold, calcite, flourite, gypsum, galena |
| 6 classes of NON silicate minerals | native elements, carbonates, halides, oxides, sulfates, sulfides |
