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Sumery sheets #5 & 4

QuestionAnswer
What are the 8 different properties used to identify minerals. Hardness, color, streak, luster, density, cleavage, fracture, fluorescence.
Which mineral on the scale is the hardest, and what's the softest one. Diamond= hardest and talc= softest
How do you perform the streak test? By rubbing a mineral against a piece of tile called a streak plate.
Which mineral luster would “seem” to be the smoothest Glassy would be the smoothest.
which one has a greater density, copper, iron or wood. Copper has the greatest density.
Using the chart on p. 124, which mineral has a density of less than 4.0 and a hardness of less than 3? Orthorhombic
What’s the difference between cleavage and fracture regarding minerals? How are they similar? Well cleavage is whether a mineral splits easily along flat surfaces or not. And fracture is how a mineral looks when it breaks in an irregular way. They're similar because they talk about how they spit/break on surfaces.
Some minerals have special properties. List a few special properties. Fluorescence, magneve, and radioactive.
How do geologists classify rocks? Texture, Grain size, Grain shape, Grain pattern, Composizon, origin, and no visible grain.
give 4 examples of how a rock looks and feels Smooth, Glassy, rough, and chalky.
Explain the difference between “coarse grained” and “fine grained” rocks. Coarse grains are large, and fine grained rocks are tiny, plus you can't see them.
How are rocks formed that have “no visible grain”? They are made of extremely small particles of silica that settle out of water.
List the 3 major rock groups that group rocks by their origin. Which rock group forms rocks using heat and pressure? Igneous rocks, Sedimentary rocks, and Metamorphic rocks. Metamorphic rocks.
Created by: elkinsana12
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