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WILKINS 2.3-3.1

wILKINS SECT 2.3 AND 3.1

QuestionAnswer
This property is NOT useful in determining a mineral. COLOR
The color of a mineral in its powdered form Streak
Streak is obtained by rubbing a mineral across a what? streak plate
how light is reflected from the surface of a mineral Luster
visible expression of a mineral’s internal arrangement of atoms crystal form
What causes crystals to have well-formed faces (2 things) Unrestricted space and a slow rate of formation
A measure of the resistance of a mineral of being scratched Hardness
Moh’s scale of hardness is a scale from 1 to____. 10
the tendency of a mineral to cleave, or break, along flat, even surfaces Cleavage
the uneven breakage of a mineral fracture
________= mass (m)/ volume (v) Density
sulfur smells like ______ ________. Rotten Eggs
The mineral graphite was used in _________. Pencils
Talc feels ______ soapy
Talc is the softest mineral with a hardness of 1
Diamond hardness value is 10
ANY SOLID MASS OF MINERAL OR MINERAL-LIKE MATTER THAT OCCURS NATURALLY AS A PART OF OUR PLANET. Rock
3 TYPES OF ROCKS ARE IGNEOUS, SEDIMENTARY AND METAMORPHIC
Interactions among Earth’s water, air, land, and living things can cause rocks to change from one type to another. Rock Cycle
When magma cools and hardens which rock is formed igneous
_________ is the process in which rocks are physically and chemically broken down by water, air, and living things. Weathering
weathered pieces of rocks Sediments
compacted and cemented sediments form sedimentary rock
Under extreme pressure and temp conditions metamorphic rocks
High temps will cause metamorphic rock to melt
Created by: lmwilkins1913 on 2010-10-18



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