Petrified Wood Bookends, Madagascar 7b5c325ff21ad28bbcdf091bf6ed4e2d The gold-colored crystals inside are

The gold-colored crystals inside are the calcite

it is strung on silk with a knot between each bead and closes with a large sterling silver lobster clasp

For use in jewelry

Malachite is also found as a pseudomorph

and on Wrangel Island north of Siberia

Petrified Wood Bookends, Madagascar 7b5c325ff21ad28bbcdf091bf6ed4e2d The gold-colored crystals inside areFrom ancient Greek meaning "wood turned into rock", Petrified Wood is a form of fossilization where all the organic matter combines with minerals (usually a silicate, such as quartz) during a process called per mineralization. In order for wood to become petrified it must be completely covered by sediment, thereby depriving the wood of oxygen. Simultaneously, there must be a mineral rich water source close by. Over time, the water delivers the