Mineral Identification. 8 th Grade Earth Science Dalton, Henry, O’Rourke. Physical properties. To identify unknown minerals, scientists test various physical properties of the minerals using lots of different tools. Mineral Identification Kit. Color.
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8th Grade Earth Science
Dalton, Henry, O’Rourke
Hardness of common objects:
Copper Penny- 3.5 (1981 or older)
Piece of steel- 6.5-7
(like the head of a geologist’s hammer)Hardness (cont.)