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Science 1
Mineral Classification
| Term | Definition |
|---|---|
| Nerds | not man made: naturally occurring |
| In | inorganic: can't come from something alive, or something that was ever alive |
| Science | shape: has to have definite volume and shape, it can't flow like liquid |
| Can't | crystal structure: particles lineup in a repeated pattern, have to have flat sides, and sharp corners or edges |
| Dance | ???: always contain the same amount of elements |
| Cleavage | the tendency of a mineral that breaks along a flat surface into layers: an even break in a mineral, makes a flat surface |
| Fracture | the tendency of a mineral to break in a way that is not along a flat surface, breaks in rough jagged edges |
| Streak | the color of a mineral's powder |
| Luster | the term that describes how a mineral reflects light from it's surface |
| Mohs Hardness Scale | a scale that ranks ten minerals from softest to hardest |
| Inorganic | not organic |
| Crystallization | the process in which atoms are arranged to form a material with a crystal structure |
| Crystal | a solid with flat sides that meet at sharp edges and corners |
| Mineral | a naturally occuring, inorganic solid with a definite structure and composition |
| Inorganic | are not alive, were ever alive, and are not made by life processes |
| Solid | has definite volume and shape |
| Friedrich Mohs | a German scientist who developed the Mohs scale of hardness. (lists hardness of ten minerals, one being the softest, ten being the hardest) |
| Luster (continued) | physical property of a mineral that describes how light is reflected from its surface. Is defined as metallic or non-metallic |
| Metallic | always shines like metal |
| Non-Metallic | doesn't shine like metal |
| Color | is not enough alone to classify a mineral |
| Streak (continued) | color of a mineral when it is powdered, observed by rubbing the mineral on a streak plate |
| Hardness | a measure of how easily a mineral can be scratched |
| Talc | is the softest mineral and can be scratched with your fingernail |
| Diamond | is the hardest mineral and can only be scratched with another diamond |
| Mica | has perfect cleavage |
| Quartz | has fracture |
| Calcite | fizzes when hydrochloric acid is put on it. causes you to see a double image |
| Density | the ratio of the mass of a substance to the volume of a substance mass divided by volume |
| Color (continued) | the appearance of a mineral that can vary according to the impurities in that mineral as well as other factors |
Created by:
LoganHouston13
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