Chemistry
Chemistry, 15.07.2021 19:00, Jayschannelutube

(9) One way to tell cleavage on a mineral with many tiny sub-surfaces is to (a) examine it for signs of color changes along any given line from edge to edge of the specimen (b) examine it for the property of fluorescence (c) turn it in the light and see if multiple surfaces reflect light similarly (d) throw it on the floor and see if the shards form an arrow pointing to New Jersey

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(9) One way to tell cleavage on a mineral with many tiny sub-surfaces is to (a) examine it for signs...

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