Rhodochrosite is a relatively soft mineral that occurs in fractures and cavities of certain rocks.
The material used for gemstones tends to feature white streaks of calcite or concentric bands.
When cut as a cabochon these patterns along with the stone's reddish-pink colour makes rhodochrosite quite easy to identify.
Some of the world's finest rhodochrosite was mined in Colorado but the mine is now closed.
Most commercial grade rhodochrosite now comes from South America particularly Argentina.
Fine grade rhodochrosite crystals can exhibit pink to raspberry red colour. Due to their rarity they don't tend to be used for gemstones.
RAINBOW CALSILICA
