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{%type%} Definitions

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Short "hint"

n. - A mineral consisting of manganese dioxide.

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Usage examples (14)
  • How does pyrolusite effect the decolorizing of glass containing iron?
  • The most important mineral is pyrolusite, because it is the main ore mineral for manganese.
  • Traces of pyrolusite in a chunk of raw glass, the result of a failure to produce colorless glass at Sagalassos
  • The heat and carbon in the charcoal separated oxygen from the pyrolusite, leaving a metallic manganese residue.
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