Black Tiger’s Eye, also known as Black Tiger Iron or Black Tiger’s Iron, is a striking variety of Tiger’s Eye, a member of the quartz family. It is characterized by its lustrous black color with distinctive bands of yellow-golden or brownish stripes, creating a captivating and unique appearance.
Properties and Characteristics of Black Tiger’s Eye:
- Color and Banding: Black Tiger’s Eye displays a dark black base color with alternating bands of golden or brownish stripes. These bands are caused by the presence of minerals like limonite or iron oxide within the stone.
- Chatoyancy: Like other varieties of Tiger’s Eye, Black Tiger’s Eye exhibits chatoyancy, which is an optical phenomenon that creates a glowing, moving band of light on its surface when viewed under a direct light source. This effect is often referred to as the “cat’s eye effect.”
- Hardness: Black Tiger’s Eye has a Mohs hardness of 7, making it relatively durable and suitable for various types of jewelry.
- Origins: Black Tiger’s Eye is sourced from different regions, including South Africa, Australia, Brazil, and India.