US$ 10.00
Botswana Agate displays highly defined parallel banding
and as such is a particularly soft stone
with inclusions of iron oxide
in a variety of swirling and linear patterns
Silica-rich waters create hardened deposits that preserve coral skeletons
Petrified Wood Opalite 8mm Rondelle 8-Inch (A) Botswana Agate displays highly definedWood Opalite is a type of petrified wood that has been impregnated with the Silicon Dioxide commonly known as Opal. Wood Opalite occurs in a range of colors, primarily earth tones, including browns, grays, and creams. Petrified wood is created through a process called permineralization, which takes millions of years. When wood becomes covered with earth, decays and is exposed to mineral rich water, mineral deposits can create stone in the place of the