| A | B |
| Inorganic | Do NOT come from living things |
| Crystal | a solid with flat sides that meet at sharp edges and corners |
| Element | Substance composed of a single kind of atom |
| Compound | a substance formed when 2 or more elements combine and lose their distinct properties |
| talc | softest mineral |
| diamond | hardest mineral |
| streak | color of a minerals powder |
| gemstone | hard, colorful mineral that has a brilliant or glassy luster |
| gem | gemstone that has been cut and polished |
| magma | molten(melted) material below earth's surface formed from melted rock |
| lava | magma that reaches earth's surface |
| solution | a mixture of in which one substance dissolves in another |
| luster | describes how a mineral reflects light from its surface |
| cleavage | mineral's ability to split esily along flat surfaces |
| fracture | the wa a mineral looks when it breaks |
| flourescence | a mineral's ability to glow under ultraviolet light |