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29 Cards in this Set

  • Front
  • Back
Luster
The way a surface reflects light
streak
The color of a mineral's powered form is called its streak.
fracture
the tendaancy of some minerals to break unevenly on irregular surfaces.
cleavege
tendancy of some minerals to break along flat surfaces.
hardness
a minreal's resistance to being scratched
density
the measure of how much matter in any given object
the same minerals may have different colors due to
impurities and weathering
color is not a good indicator of a mineral's identity
True
three kinds of luster
metallic
sub metallic
non metalic
vitreous
brilliant or glossy
silky
fiburous, swirly
resinous
plastic
waxy
greasy or oily
pearly
creamy
earthy
rough and dul
units
grams/cubic centimeter(glcm3)
water's density
1g/cm3
specific gravity of gold
19 because its density is 19g/cm3
floresence
glow under uv light
chemical reaction
fizzes when contacted with a weak acid
taste
certain minerals have specific taste like halite is salty
optical properties
some minerals will cause a doulbe image like calcite
mineral
naturally formed inorganic solid with acrystaline structure
element
pure substances that cannot be broken down into simpler substances by ordinary
chemical means.
atom
smallest part of an elemnet that has all the properties of that element.
compound
substance made of 2 or more elemenst that have been chemically joined or bonded together.
crystal
solid, geometric forms of minerals produced by a repaeting pattern of atoms that is present throughout the mineral.
silicate mineral
minerals that contain a combination of dilicon and oxygen.
non silicate minerals
any mineral that does not contain a combination of silicon and oxygen.