Rocksday

Rhodochrosite

A manganese carbonate in raspberry-red crystals or rose-and-white banded stalactites.

Rhodochrosite specimen
Photo: JJ Harrison (https://www.jjharrison.com.au/), CC BY-SA 4.0, via Wikimedia Commons

How to identify rhodochrosite

  • Rose-pink to red, often banded.
  • Rhomb-shaped crystals and cleavage.
  • Fizzes in warm acid.
  • Soft — a knife scratches it.

Often confused with

Where it's found

  • Capillitas, Argentina
  • Sweet Home Mine, Colorado
  • Kalahari, South Africa
  • Peru

Uses

Ornamental carving and manganese ore.

Rock tumbling

Can be tumbled with care. Soft; tumble separately.

Did you know?

It is Argentina's national stone and Colorado's state mineral.

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