A Geoscience Digital Image Library

TitleTiger eye
DescriptionTiger eye is a pseudomorph of asbestos. It falls in the catagory of a cryptocrystalline (crystals too small to be seen even by a microscope) variety of quartz. These varieties are divided more by character than by color. These different variaties are often used as semi-precious gemstones and for decorative purposes. Tiger's eye has the quality known as chatoyancy, or the appearence of a cat's eye, when cut and polished in the form of a cabochon.
LocationUSA ▹ California
PhotographerShannon Heinle. 2001-06-12.
CollectionUniversity of North Dakota Mineralogy Collection #1576.
Key wordstiger eye, chatoyancy, quartz, cabochon, cryptocrystalline
Tech details535 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number702