A single cordierite gemstone, 5.10 cts, but the image on the left shows its color in polarized light. Locality: Coimbatore District, Chennai (Madras), Tamil Nadu, India. Photo by Didier Descouens. Licensed under CC By-SA 3.0.
Blue Cordierite, 5.10 ct Faceted Oval Cut from India
A single cordierite gemstone, 5.10 cts, but the image on the left shows its color in polarized light. Locality: Coimbatore District, Chennai (Madras), Tamil Nadu, India. Photo by Didier Descouens. Licensed under CC By-SA 3.0.
Article: What is Gemstone Pleochroism?
Credit: Didier Descouens
| Gemstone | Cordierite |
| Natural or man made | Natural |
| Origin | India |
| Origin details | Coimbatore District, Chennai (Madras), Tamil Nadu |
| Carat Weight | 5.10 |
| Gem State | Faceted |
| Color | Blue |
| Transparency | Transparent |
| Photo pleochroism | Dichroic (2 colors) |