Tumbled Grey Botswana Agate / 1-2" AVG - 1 LB. LOT jewelry Green Banded Onyx Gemstone Mushroom

Green Banded Onyx Gemstone Mushroom Carvings

although it was not known as a distinct gemstone until the 1700s

Naturally appearing in shades of white

It is formed from layers of different calcite marbled together

Sometimes fire opals that do not display "color play" are referred to as jelly opals

Tumbled Grey Botswana Agate / 1-2" AVG - 1 LB. LOT jewelry Green Banded Onyx Gemstone MushroomQuantity: 1 pound Average size range: 1 to 2 inches Agate is a banded variety of chalcedony that forms inside pockets of metamorphic and volcanic rock, with the initial layer that forms and the surrounding minerals and conditions affecting subsequent layers and giving agate its wide variation in appearance. Agate can also bond with quartz crystal while forming, which can lead to distinctive white banding and exposed crystal druzy. Botswana agate is