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15 Cards in this Set

  • Front
  • Back
luster
the visual way the light reflects off the surface of a mineral
adamantine
sprkling, gemlike
specific gravity
density of a solid divided by the density of water (1)
aggregate
grouping of crystals
imperfect cleavage
stairstep pattern
dendritic
a branching growth of crystals on a surface or as an inclusion that forms plant like patterns
lamellar
crystals that are layered masses that look like sheets of paper
reniform
rounded kidney shaped masses
cubic
3 axes-all equall-90
orthorhomic
3 axes-2 unequal-not 90
tetragonal
3 axes-2 unequal-not 90
triclinic
3 axes-all unequal-not 90
hexagonal
4 axes-all unequal- not 90
monoclinic
3 axes-2 unequal-90
amorphous
not a clear crystal structure