Agate, a very hard substances used for making knife edges etc. in blances is a form of
A. sand stone
B. soap stone
C. flint
D. quartz

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1 Answers

Correct Answer - D
Agate is a form of quartz. It is transluscent.
`{:(" "O^("-")),(" |"),(" Si"),(" / | "),(" "O^("-") O^("-") O^("-")):}`

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