Chrysocolla is a hydrated copper phyllosilicate mineral, in shades of green, blue, blue-green, black and brown. It is commonly found in copper mines. Pure chrysocolla is soft and fragile. However, most chrysocolla beads are in a matrix of rock crystal (clear quartz) or silica, and have physical properties closer to that of quartz.
The name comes from the Greek chrysos, meaning "gold," and kolla, meaning "glue," due to its use as a flux to solder gold around 300 BC. The bluer shades of Chrysocolla are popular for the throat chakra, and are believed to promote clear communication and provide the courage to express oneself. The greener shades of Chrysocolla are popular for opening the heart chakra. The blue-green combination is believed to empower one to communicate in a clear, loving way.
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