Minerals

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What are the 5 "MUST BEs" for a mineral?
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Terms in this set (20)
What are the 5 "MUST BEs" for a mineral?
Inorganic, solid, crystal structure, naturally occurring, chemical composition
How do you test hardness?
Scratch test: Start with fingernail, penny, steel nail, glass plate, streak plate
How do you test streak?
Rub across a streak plate
How do you test for a chemical reaction?
Acid Test
What is cleavage?
A mineral that splits easily along flat surfaces
What is fracture?
minerals that break with rough or jagged edges
What is luster?
The way a mineral reflects light
What are the two types of luster?
metallic and nonmetallic
What are the three types of mines?
strip mines, open pit mines, and shaft mines
How is mining bad for a community?
Harmful to environment, pollution
How is mining good for a community?Creates jobs, profitableWhat is the formula for density?D=m/vMass is measured ingramsFrom smallest to largest, what are the levels of organization?Cells, tissue, organ, organ systemLatitude measuresnorth and southHow many degrees between time zones?15In which compass direction does time go back?WestWhat are 5 important parts of a plant cell?nucleus, cell membrane, cell wall, cytoplasm, chloroplastWhat are 3 important parts of an animal cell?nucleus, cell membrane, cytoplasmIf a mineral's hardness is 8, and another's is 6, which is harder?8