Quartz var Smoky on Perthite
Availability: 1 in stock
A columnar perthite ( Perthite is a combination of two different feldspars that form together, typically a sodium rich and a potassium rich member) with one complete termination hosts a large 6.5cm deeply saturated smoky. Contact on the back of the smoky and the perthite is repaired (very nicely) at the first contact point with the smoky. A ding on the inside of the secondary quartz crystal. Ex Ken Roberts collection.
Locality: Dogtooth Peak, Fresno California