Seudónimo Seudónimo
  • 10-11-2016
  • Biology
contestada

if a mineral leaves a red trail when scraped against an unglazed porcelain plate which properly of a mineral is being measured

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Lophile
Lophile Lophile
  • 10-11-2016
It's measuring the streak
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WindedMinotaur0
WindedMinotaur0 WindedMinotaur0
  • 10-11-2016
its measuring it i think 
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