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OpenStudy (anonymous):
Suppose you have an unknown mineral sample. You can scratch the mineral with a pen knife but not with your fingernail. The mineral is most likely a.talc b. diamond c. apatite d.gypsum
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OpenStudy (anonymous):
OpenStudy (anonymous):
C
OpenStudy (sachin00007):
D
OpenStudy (primeralph):
D.
OpenStudy (agent0smith):
"What is the texture of SAMPLE 10?" who knows...
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OpenStudy (anonymous):
the answer is C .....sample 10 is neither aphanitic nor phaneritic..its texture is vesicular
OpenStudy (anonymous):
An igneous rock that forms after rapid cooling above the earth’s surface is characterized by a. small crystals or no crystallization at all b. large, well-defined crystals c. many small crystals embedded within larger one
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