Tag Archive for: Cordierite
cordierite
minerals
Cordierite is a silicate mineral that forms in shades of blue, purple, or gray and is primarily known for its unique pleochroic properties. This means that it can appear in different colors when viewed from different angles, typically showing blue, violet,…
Iolite or Cordierite
Crystal Encyclopedia
Iolite, also known as cordierite, is a mineral that belongs to the silicate mineral group. Its name is derived from the Greek word “ios,” which means violet, due to its characteristic violet-blue color when properly oriented and cut. Iolite has a…