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minerals
Question | Answer |
---|---|
definition of a mineral | solid, natural occurring, inorganic, definite chemical composition, crystal structure |
definition of mineral cleavage | a mineral split along flat, along 1-4 surfaces, determined by the crystal structure of the mineral, |
true or false: all minerals have cleavage | true |
definition of fracture | the manner in which a mineral breaks along an irregular surface |
definition of luster | the way in which a mineral reflects light (metallic, nonmetallic) |
definition of metallic | having the look of metal or a silvery appearance |
nonmetallic categories | vitreous, greasy, resinous, silky, pearly, adamantime |
metallic or nonmetallic: sand marble, clay | nonmetallic |
mineral or non-mineral: iron | mineral |
mineral or non-mineral: water | non-mineral |
mineral or non-mineral: birth stones and salt | mineral |
definition of crystal structure | solids in which the atoms are arranged in a orderly, repeating, 3-D pattern |
definition of streak | the color of a mineral in powder form |
what is the most common type of fracture | conchoidal (curved and rounded like the inside of a shell) |
mineral or non-mineral: coal | non-mineral |