© William Wilkinson, InteractiveScienceTeacher.com.

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Presentation transcript:

© William Wilkinson, InteractiveScienceTeacher.com

How can minerals be identified? Now cut along each line (top sheet only!) color streak luster cleavage & fracture density hardness special properties Draw lines every 3 ½ cm

© William Wilkinson, InteractiveScienceTeacher.com How can minerals be identified? streak luster cleavage & fracture One mineral can come in different colors, and different minerals can be same color; so color is not a good way to i.d. minerals. pure quartz=clear impure quartz= orange/pink

© William Wilkinson, InteractiveScienceTeacher.com color luster cleavage & fracture Streak is the color of the mineral’s powder. It’s found by dragging the mineral against a streak plate. mineral streak plate streak How can minerals be identified? Now you finish the rest.

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