| A | B |
|---|
| mineral | naturally occurring inorganic solid that has a definite chemical composition and an orderly internal atomic structure |
| some minerals form when _____ cools | magma |
| crystal structure | the repeating patterns in which atoms are arranged in a crystal |
| some crystals are formed from ________ dissolved in liquids | minerals |
| minerals that different in other properties may be alike in _____ | color |
| tests for ______ help identify minerals | hardness and streak |
| fracture | physical property of some minerals that causes them to break with uneven, rough, or jagges surfaces |
| most minerals are composed of _______combined with other elements | siliconand oxygen |
| ore | deposit in which a mineral exists in large enough amounts to be mined at a profit |
| chrystals can be | cubic, monoclinic and tetragonal |
| most common rock-forming minerals are | silicates |
| when magma cools ____, large crystals will form | slowly |
| most diamonds and other gems are | synthetic |
| mineral deposits left behind that fill in open spaces created by weaknesses in rock formations are called | vein mineral deposits |
| durable lightweight metal derived from minerals such as ilmenite or rutile is | titanium |
| property of a mineral that shows the color of its powder | streak |
| a mineral may be composed of | more than one element |
| crystal system depends upon the way the ____ line up | atoms |
| cleveage | property of a mineral that causes it to break in a smooth, flat plane |
| magma | hot melted rock materail beneath Earth's surface |
| Fredrich Mohs | developed a scale to measure the hardness of minerals |
