This October birthstone often has a white background buy displays a lot of colors in bright light
[DOC] [TLE] Stones used in Native American Indian Jewelry - Horsekeeping [PAR] Agates are often multi colored with translucency whereas onyx often tends to ... 
Amethyst is the most highly prized purple variety of quartz and is the official 
birthstone for ... in color raning from bright lavender to violet to dark purple May 
have white, ....