Lapis 12mm Coin 8-Inch Man Made ” Tourmaline is unusual in

” Tourmaline is unusual in that it is both pyroelectric and piezoelectric

com originate in the Philippines or Indonesia

is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals

but rather a speckled teal Jasper found in Africa and often treated to simulate the beautiful blue to green associated with true Turquoise

Lapis 12mm Coin 8-Inch Man Made ” Tourmaline is unusual inLapis, or Lapis Lazuli, is a deep blue metamorphic rock used as a semi precious stone that has been prized since antiquity for its intense color. During the Renaissance, Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting. It is not a mineral, but a combination of minerals, including lazurite, calcite, sodalite and pyrite. Note: Our 8 inch line of Lapis has had its color enhanced by dyeing.