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The mineral graphite is used in pencils. What is the characteristic that allows it to be used for this purpose? * 1 black streak 2 hardness of 1-2 3 both are correct
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15 votes
The mineral graphite is used in pencils. What is the characteristic that allows it to be used for this purpose? *

1 black streak
2 hardness of 1-2
3 both are correct

User JCuga
by
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1 Answer

9 votes
answer:
both

explanation:
the hardness is (1-2) very soft.
the colour is black (but it’s shiny lister may give it a silver appearance) , opaque
User Timtech
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