Crushed Pink Rhodochrosite Chips from Argentina, Pea-Sized Gravel (2mm-4mm)

Rhodochrosite is a rare, manganese-carbonate gemstone that commonly has alternating light and dark bands of pink and brown. Rhodochrosite is formed by continuous precipitation of manganese carbonate, similar to cave formations with stalactites and stalagmites on the roof and floor of a cavern. This mineral is relatively soft, with a Moh's hardness between 3.5 and 4. This material is from Argentina, which is a world-class location for rhodochrosite deposits.  Our coarse material is considered to be pea-sized gravel, ranging between 4 millimeters to 2 millimeters. Please see the corresponding sediment size chart.  Mineral Properties Mohs’s Hardness: 3.5 - 4 Specific Gravity (g/cm3): 3.40 - 3.71 Luster: Vitreous Color: Soft Pink, Tan Origin: Argentina This product is not man-made, mixed with resin, dyed, or stabilized. Pictures are taken in full sun and material is dry. Size measurements are using the metric system (millimeters).