| A | B |
|---|
| solid | shape and volume does not change |
| inorganic | not alive non living material |
| natural | not man made, found on the earth |
| chemical composition | the make up of the material |
| crystal | orderly internal arragement of atoms |
| streak | color of a line of powder |
| density | mass/volume g/cm3 |
| luster | how light reflects off a substance |
| cleavage | break with a flat surface |
| fracture | break with an irregular pattern |
| hardness | how difficult it is to scratch |
