the physical property that is least useful for identifying the mineral
color
softest mineral (scale of 1)
talc
If a steel file has a hardness of 6.5, it will scratch any mineral with a hardness _________
below 6.5
As the numbers on the Mohs Hardness Scale increase, the hardness of the mineral _______________.
increases
a mineral's resistance to being scratched
hardness
the color of a mineral in its powdered form, as shown when it is rubbed on a porcelain plate or unglazed tile
streak
physical property of some minerals that cause them to break along smooth, flat surfaces
cleavage
physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces
fracture
hardest mineral (scale of 10)
diamond
the type of luster that looks like polished metal
metallic
Which crystal comes in many colors, including clear, white (milky), grey (smoky), pink (rose), yellow (citrine), and purple (amethyst).
quartz
a naturally occurring inorganic solid with a distinct chemical composition and crystalline structure
mineral
the type of luster that is a solid color and shimmers faintly
pearly
the way a mineral reflects light
luster
the type of luster that is not bright or shiny
dull
As the numbers on the Mohs Hardness Scale decrease, the hardness of the mineral _______________.
decreases
Which of these is something that rocks and minerals have in common? Both are formed naturally, have a specific chemical composition, contain organic material, or have a crystalline structure.
Both are formed naturally
a naturally occurring solid material that is made up of one or more minerals and may contain organic matter
rock
a scale that ranks the relative hardness of minerals from 1 to 10
Mohs Hardness Scale
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