Tektite Natural 8mm Round Faceted - 15-16 Inch Hole Size_1.7mm At that time yellowish gems

At that time yellowish gems were called "topaz" in many parts of the world

but rather a speckled teal Jasper found in Africa and often treated to simulate the beautiful blue to green associated with true Turquoise

gray and white and its swirling

Pietersite is composed of Tiger Eye

Tektite Natural 8mm Round Faceted - 15-16 Inch Hole Size_1.7mm At that time yellowish gemsTektite is a natural glass formed by meteorite collisions with Earth. When moving through the Earths atmosphere, a meteorite builds up heat that is then released into the terrestrial rocks with which it collides, causing the rocks to melt and combine with the remains of the meteorite, forming Tektite. It is composed of silicon dioxide, aluminum oxide and other metal oxides.