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Author Question: Slate and phyllite are similar in appearance. How can the foliation and the shine be used to tell ... (Read 65 times)

fagboi

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on: Jul 16, 2018
Slate and phyllite are similar in appearance. How can the foliation and the shine be used to tell them apart?
 
  What will be an ideal response?

Question 2

Marble and quartzite can be similar in appearance. Name two simple ID techniques that can be used to differentiate between the two.
 
  What will be an ideal response?


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juwms

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: Slate has very flat layers and is dull in appearance. Phyllite has wavy layers and has a sheen.

Answer to Question 2

Answer: Marble reacts with HCl, while quartzite will not. Quartzite will scratch glass or steel, while marble will not.


fagboi

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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