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Greensand vs Firestone - What's the difference?

greensand | firestone |

As nouns the difference between greensand and firestone

is that greensand is (geology) a greenish sandstone containing glauconite while firestone is iron pyrites, formerly used for striking fire.

greensand

English

Noun

(wikipedia greensand) (en noun)
  • (geology) A greenish sandstone containing glauconite

    • Anagrams

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    firestone

    English

    Proper noun

    (en proper noun)
  • (surname)