Minerals Part II Question Preview (ID: 2824)


8th Grade OK PASS. TEACHERS: click here for quick copy question ID numbers.

Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called ____.
a) hardness
b) streak
c) fracture
d) cleavage

Calcite will scratch gypsum. This is an example of the physical characteristics called ____.
a) hardness
b) streak
c) fracture
d) cleavage

The properties of being ____ make a diamond a gemstone.
a) rare and beautiful
b) useful and profitable
c) easy to obtain and beautiful
d) rare and profitable

If the cost of separating a mineral from waste rock becomes too great, the mineral may no longer be classified as an ore. This happens because ____.
a) the mineral has lost its usefulness
b) the mineral can no longer be mined at a profit
c) the demand for the mineral has decreased
d) the mineral is disolved in HCl

A gem is _________ and _________
a) ugly, furry
b) profitable, useful
c) hard, shiney
d) beautiful, rare

color of a powdered mineral
a) cleavage
b) streak
c) fracture
d) color

how light is reflected from a mineral
a) luster
b) color
c) fracture
d) ores

the tendency of a mineral to break along a smooth, flat surface
a) ores
b) hardness
c) fracture
d) cleavage

the tendency of minerals to break with rough or jagged surfaces
a) cleavage
b) hardness
c) streak
d) fracture

minerals mined because they contain useful substances
a) color
b) luster
c) ores
d) hardness

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