Rhodochrosite Sphere-Argentina (with stand)Rhodochrosite (whose name means rose colored) is commonly found in the form of stalactites and stalagmites in Argentina. The pink or reddish hue is caused by the element manganese. This is a relatively soft stone that ranges between 3. 5 4. 0 on the Mohs scale of hardness. This stone encourages a positive attitude, rejuvenates the soul, opens the heart chakra, enhances creativity, innovation, and dream states.