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minerals
earth science
Question | Answer |
---|---|
What is the definition of a mineral? | solid, inorganic substances of natural occurrence |
what are the 5 qualifications for something to be a mineral? | being a solid, naturally occurring, inorganic, define chemical composition, crystal structure |
what are some examples of minerals? | talc, quartz, diamond and gypsum |
what are some examples of non-minerals? | water, rocks, diamonds made in a lab |
what is the definition of mineral cleavage? | the tendency of a mineral to split |
what are the different types of fracture? | conchoidal, fibrous, splintery, hackly, irregular |
do all minerals have mineral cleavage? | no |
what determines the way a mineral splits? | the crystal structure |
what is the definition of a fracture? | the manner in which a mineral breaks along an irregular surface |
what is the definition of luster? | the way in a which a mineral reflects light |
what are the different types of luster? | vitreous, greasy, resinous, silky, pearly, adamantine |
what are the two main categories of luster? | metallic and nonmetallic |
what is the definition of nonmetallic minerals? | not having the look of metal or a silvery appearance |
what is the definition of metallic minerals? | having the look of metal or a silvery appearance |
what are some examples of nonmetallic minerals? | quartz, calcite, diamond and sulfur |