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A. Hardness B. Luster C. Crystal shape D. Streak E. Boiling Point F. Fracture and cleavage G. Density
Which of the following is not a property used to identify minerals?
For an item to be considered a mineral it must be solid, inorganic, naturally occurring, have a definite chemical composition and ____________.
A. A. be harder than a pennyB. B. have a particles that line up in a
patternC. C. be composed only of carbonD. D. come in only one color
Fill in the blank
What item below would not be able to scratch Fluorite?
A. Glass B. Fingernail C. Steel nail D. Diamond ring
Mohs Hardness Scale
A mineral’s ________ describes how it reflects light.
A. Crystal Structure
B. LusterC. Chemical
CompositionD. Color
Which statement is true about the color of minerals?
A. Color is the most useful property for identifying minerals because each type of mineral comes in only one color.
B. Color is not the best property to help identify minerals because one type of mineral can come in many different colors.
Azurite – blue
Which picture best illustrates crystal shape?
A
B
A C
D
Quartz or Calcite?
gwydir.demon.co.uk/jo/minerals/calcite.htm gwydir.demon.co.uk/jo/minerals/calcite.htm gwydir.demon.co.uk/jo/minerals/calcite.htm
Quartz and calcite can be hard to tell apart, because they look so similar. Which picture do you think is Quartz?
BA
Quartz or Calcite?
gwydir.demon.co.uk/jo/minerals/calcite.htm gwydir.demon.co.uk/jo/minerals/calcite.htm gwydir.demon.co.uk/jo/minerals/calcite.htm
You can tell quartz and calcite apart by doing an acid test. Calcite will fizz when acid touches it, quartz will not. What kind of property is calcite’s reaction to acid?
A. Physical property
B. Chemical property
Which example below is an example of a chemical change?
A. A mineral dissolves in water, when the water evaporates, the mineral reappears.
B. A mineral changes color when combined with an unknown liquid.
C. A mineral is broken into two pieces. D. A mineral is cut and polished to be
used in a piece of jewelry.
Which picture below illustrates fracture?
http://skywalker.cochise.edu/wellerr/mineral/calcite/6calcite-cleavage2.jpg
http://csmres.jmu.edu/geollab/fichter/RockMin/Pyrox-70.JPG
https://www.nvcc.edu/alexandria/science/geology/Muscovite.jpg
B
A C
D
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