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JMO_Science_Minerals
Rocks & Minerals
| Question | Answer |
|---|---|
| Red is an example of this property. | color |
| Color of the powder of the mineral. | streak |
| Appearance of mineral surface in reflected light. | luster |
| Minerals with a glass-like appearance. | vitreous nonmetallic |
| Light or white streak. | minerals with nonmetalic luster |
| Dark streak. | minerals with metalic luster |
| Ability of a substance to transmit light. | diaphaneity |
| transparent | diaphaneity |
| translucent | diaphaneity |
| opaque | diaphaneity |
| metallic | luster |
| nonmetallic | luster |
| submetallic | luster |
| relative quality: easy to see through a mineral | transparent |
| relative quality: material will permit light to pass through it | translucent |
| substances transmit NO light through it at all | opaque |
| mineral resistance to abrasion | hardness |
| Moh's scale 1 | talc |
| Moh's scale 2 | gypsum |
| Moh's scale 3 | calcite |
| Moh's scale 4 | fluorite |
| Moh's scale 5 | apatite |
| Moh's scale 6 | orthoclase |
| Moh's scale 7 | quartz |
| Moh's scale 8 | topaz |
| Moh's scale 9 | corundum |
| Moh's scale 10 | diamond |
| hardness of 2.5 | fingernail |
| hardness of 3.0 | penny |
| hardness of 5.8 | nail |
| property of a mineral which permists it to break with smooth surfaces in a certain direction or pattern | cleavage |
| breaking of a mineral along uneven or irregular surfaces | fracture |
| resistence of a mineral to breaking, crushing, bending and tearning | tenacity |
| property that is determined by the arrangement and bonding of the atoms of which the mineral is composed | cleavage |
| cannot be studies profitably in mineral aggregates which consist of many smaller grains unless the microscope is used | cleavage |
| cubic | cleavage |
| basal (think, flat sheets) | cleavage |
| rhombehedral | cleavage |
| hackly--jagged edges | fracture |
| fibrous--splintery separation | fracture |
| conchoidal--curved or circular breaking | fracture |
| uneven | fracture |
| opposite of cleavage | fracture |
| mineral breaks evenly | cleavage |
| mineral breaks unevenly | fracture |
| brittle | tenacity |
| malleable | tenacity |
| ductile | tenacity |
| sectile | tenacity |
| flexible | tenacity |
| elastic | tenacity |
| brittle | hard to break of shutter |
| malleable | able to be hammered or pressed to shape without breaking or cracking |
| ductile | able to be drawn out into a thin wire |
| sectile | can be cut into thin pieces |
| flexible | capable of easily bending |
| elastic | able to esume orishn shape spontaneously after contraction |
Created by:
moertel
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