calcite - teaching hand/display specimen of massive naturally-brown calcite

calcite - teaching hand/display specimen of massive naturally-brown calcite

Brand: Geological Specimen Supply
12.50 USD In stock Buy at Merchant

This calcite specimen has a brown color due to iron and effervesces in acid, unlike artificially dyed varieties often seen in shops. It has a Mohs hardness of 3.

  • The brown color is derived from iron in the limestone.
  • It effervesces in dilute hydrochloric acid.
  • The hardness is Mohs scale 3.
Variants (1)
  • Default Title — 12.50 USD — In stock

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