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 |