Sodalite JewelryWhere the name comes from: The sodium content of the mineral.
Where the stones come from: Brazil, Greenland, Canada, USA, Mount Vesuvius Italy.
Chemistry: Sodium Aluminum Silicate Chloride, Na4Al3Si3O12Cl
Colors: Blues are the most valued. Light to dark blue, white, light yellow, green, grey, pink to violet.
...and another thing: Discovered in 1811 but not widely used until 1891 when much larger deposits were found.