Name: Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its (rare) pure forms per wikipedia
Color: it is typically a rose-red color, but impure specimens can be shades of pink to pale brown.
Shape: star a secret geometrical shape.Used for healing.
Metaphysical properties: As per www.gemstherapy.com the gemstone Rhodochrosite works on deep emotional healing tackling the unresolved childhood pain when meditated and worked with. Traditionally the crystal healing practitioners consider the stone for digestions,ailments of heart, kidney, spleen, pancreas, thyroid and stress related issues too.Transforming and balancing the Life force energy, these crystals are great support to inner healing but we do not recommend them to be substituted from the regular health practitioner.