Materials per student- sheet of copy paper, colored pencils, scissors, ruler
color streak luster cleavage & fracture density hardness How can minerals be identified? Draw lines every 3 ½ cm color streak Now cut along each line (top sheet only!) luster cleavage & fracture density hardness special properties
How can minerals be identified? They’re both quartz! One mineral can come in different colors, and different minerals can be same color; impure quartz= orange/pink pure quartz=clear so color is not a good way to i.d. minerals. streak luster cleavage & fracture
How can minerals be identified? color Streak is the color of the mineral’s powder. mineral It’s found by dragging the mineral against a streak plate. streak plate streak luster Now you finish the rest. cleavage & fracture