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History, 26.05.2021 16:10 rainyfallaw

The picture shows a mineral being tested. Gray/black
powder
Rubbed on
an unglazed
porcelain plate
Mineral
Which mineral property is being tested in the picture?
A cleavage
B
color
С
hardness
D
streak


The picture shows a mineral being tested.

Gray/black
powder
Rubbed on
an unglazed
porcelain plate

ansver
Answers: 2

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The picture shows a mineral being tested. Gray/black
powder
Rubbed on
an unglazed...
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