Riverstone on Ice Necklace

12mm Riverstone Bead with Black Micro Pave Dog Tag. 

Riverstone is a sedimentary rock, a form of limestone. It is not to be confused with the red and yellow Patuxent River Stone, an agate and cryptocrystalline form of quartz. Riverstone, or river stone, is also a used as a generic term for an undifferentiated mix of rocks found in a river bed. Naturally opaque with a light tan color, riverstone gemstone is most often dyed into a wide variety of colors, making it an inexpensive alternative to gemstones such as turquoise. With a Mohs hardness of 3-1/2, it is regarded as being easy to work with. Riverstone beads have been specially cut to reveal unusual and interesting surface features.