TOU195 Bicolor Tourmaline Thundereggs Maintaining the weather cycles model

Maintaining the weather cycles model already elaborated in "Genesis and Classification of Agates and Jaspers: A New Theory

From the Graveyard Point mining claim

This specimen features green

and dark golden yellow jasper

TOU195 Bicolor Tourmaline Thundereggs Maintaining the weather cycles modelBicolor Tourmaline crystal with blue and greenish tourmaline with white inclusions from Brazil. 21mm long 3. 0g Tourmaline is a complex family of aluminum borosilicate minerals mixed with iron, magnesium, or other metals that, depending on the proportions of its components, may form as red, pink, yellow, brown, black, green, blue or violet. Its prismatic, vertically striated crystals may be long and slender, or thick and columnar, and are uniquely