World Of Minerals Question Preview (ID: 132)
Assess Your Knowledge Of The World Of Minerals.
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Minerals Crystals are solids that form by a regular repeated pattern of molecules connecting together called
a) rocks
b) atoms
c) crystals
d) cleavage
Identification of minerals is based primarily on its ____ properties
a) chemical
b) physical
c) atomic
d) molecular
All minerals
a) have a definite chemical composition
b) are formed in nature
c) are organic
d) Both #1 and # 2
Minerals breaking along flat surfaces is called
a) fracture
b) hardness
c) crystallization
d) cleavage
Dragging a mineral along an unglazed tile will leave a characteriastic trail of powder behind called
a) rock dust
b) malleability
c) ductility
d) streak
Minerals are the ____________ of rocks.
a) building blocks
b) sediments
c) formations
d) opposite
Iron pyrite is sometimes called
a) magnetite
b) fool's gold
c) liquid gold
d) California Gold
Pencil lead is not lead; it is actually the mineral
a) magnetite
b) pencillium
c) hemattie
d) graphite
Minerals can be identified by hardness. The softest mineral is
a) gypsum
b) flourite
c) talc
d) calcite
All minerals have
a) a definite chemical composition
b) similar colors
c) a hardness rating from 1-20
d) the ability to scratch other minerals
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