What is Pietersite?
Pietersite is a variety of quartz, composed naturally of Tiger’s Eye, Hawk’s Eye, and Jasper. It’s primarily found in Namibia and China. Pietersite is often used as a gemstone and is popular for its unique blend of colors and its chatoyant streaks.
Pietersite is a unique gemstone that comes in a blend of colors, often including blues, golds, and reds. Its unique chatoyant streaks make it a popular choice for jewelry and decorative items, especially beads and pendants.
|Chemical Classification||Inorganic - Silicate|
|Color||Pietersite displays a mix of colors, including blues, golds, and reds, often with a chatoyant luster.|
|Luster||Silky to vitreous.|
|Occurrence||Namibia, China, and South Africa.|
|Formation||Pietersite forms from the alteration of crocidolite mineral fibers into quartz.|
|Diaphaneity||Translucent with chatoyancy|
|Cleavage||Perfect in two directions|
|Mohs Hardness||6.5 to 7.|
|Diagnostic Properties||Chatoyancy, blue to gold colors.|
|Crystal System||Hexagonal (variety of Quartz)|
|Optical Properties||Aggregate (multiple minerals, so optical properties vary)|
|Refractive Index||1.530 - 1.539|
|Birefringence||Varies due to mixture of minerals|
|2V angle||Not applicable (mixture of minerals)|
|Dispersion||Not notably high.|