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Earth Sci Ch 3 Unit

QuestionAnswer
minerals are comprised of one or more elements
a mineral is classified as an ore as long as it is profitable and useful
one of the softest minerals is talc
all minerals share the following characteristics EXCEPT that of being formed from living organisms
Muscovite mica will peel off in flat sheets, this is an example of the physical characteristics called cleavage
calcite will scratch gypsum, this is an example of the physical characteristics called hardness
the properties of being __________ make a diamond a gemstone rare and beautiful
the cost of separating a mineral from waste rock becomes too great, the mineral may no longer be classified as an ore the mineral can no longer be mined at a profit
what is true about minerals they are naturally occurring and inorganic
is NOT a test used to identify minerals magnetism
minerals always exist in a _______________ form solid
silver, gold, and copper have shiny surfaces and thus are said to have metallic luster
best represents a native element silver (Ag)
mica has a hardness of 3. Quartz has a hardness of, therefore quartz can scratch mica
mineral that is the most common ingredient in nails and screws iron
NOT true regarding gemstones most gemstones are made of only one element
does NOT contain a mineral glass
NOT a requirement for a material to be considered a mineral formed in a laboratory
mineral that is mined so that aluminum can be produced bauxite
why should you test several properties when identifying minerals two different minerals can share one or more properties
rocks that have a desired substance which can be mined for a profit ores
type of internal structure best represents a gemstone predictable crystal patterns
tool best for seeing the internal structure of a mineral creating X-ray images of the mineral
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Created by: SHS Sharks
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