| A | B |
|---|
| Mineral | naturally occuring, inorganic solid, crystal structure, definite chemical composition |
| alloy | a solid mixture of two or more elements, with at least one being a metal |
| crystal | the repeating pattern of a minerals particles |
| fracture | a mineral that breaks apart in an irregular way |
| luster | how light is reflected from a mineral's surface |
| Moh's hardness scale | ranks ten minerals from softest to hardest |
| cleavage | a mineral that splits easy along flat surfaces |
| Streak | the color of a minerals powder |
| geode | A hollow rock inside which mineral crystals have grown |
| crystalization | the process by which atoms are arranged to form a crystal structure |
| solution | a mixture in which one substance is disolved into another |
| vein | a narrow deposit of mineral that is very different from the surrounding rock |
| gem stone | a hard colorful mineral that has a brilliant or glassy luster and is valued for its appearance |
| ore | a rock that contains a metal or other economically useful mineral |
| smelting | the process by which ore is melted to separate the useful metal from other elements |
| inorganic | can't form from something previously living |
