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13 Cards in this Set

  • Front
  • Back
Dolomite
Tanish White Streaks White
Reacts in powder form
Halite
transparent to translucent
taste like salt
Calcite
Streaks white, reacts to Acid
Magnetite
Magnetic, streaks black
sphalerite
streaks yellow, poor, 3.5-4
good cleavage
chalcopyrite
black streak, goldish yellow or black colored, poor cleavage, 3.5-4
galena
looks like graphite, 2.5 hardness, streak is gray to dark gray
limonite
redish yellow, streaks brown or copper, 2.5-4.5
hematite
streaks red to red-brown, opaque, 5-6.5, attracted to magnetic after heating
pyrite
fools gold, black streak, 6-6.5
graphite
charcoal streak, charcoal color, hardness is 1. good cleavage
gypsum
transparent to translucent, very soft hardness of 2
flourite
Streak white, can be tons of colors, transparent or opaque, harness of 4