Which of the following physical properties is likely to be most useful in identifying a mineral? (Note: although they are all potentially useful, choose the one you think is most consistently useful.)
In order to identify a mineral, it is necessary to determine its chemical composition.
Which of the following minerals is the hardest according to the Mohs' scale?
You encounter a clear mineral in a vein within a rock, which your instructor tells you is either quartz, calcite, or gypsum. You can scratch it with your pocketknife, but not your fingernail. Which is it?
All minerals have cleavage.
Quartz occurs in many different colors and rock types. Which of the following properties is most likely to help you identify quartz, no matter what color it is?
James Dana developed a classification scheme for minerals based on
Crystal form refers to the angles between crystal faces, not to the absolute size and shape of a crystal.
Why isn't color alone very useful in mineral identification?
Which of the following groups of minerals is most common in the earth's crust?
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