Blue Agate Sphere Ball Russian Stone Gemstone Mineral


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This is the polished blue agate sphere. Diameter 2.1″ (53mm). Weight – 7.5oz (212 grams). Origin: Russia, Ural.

Some information about agate:

Agate is a cryptocrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.

The stone given its name by Theophrastus, a Greek philosopher and naturalist, who discovered the stone along the shore line of the river Achates in present-day Sicily, sometime between the 4th and 3rd centuries BC. Colorful agates and other chalcedonies obtained over 3,000 years ago from the Achates River, now called Dirillo.

A very small sample of some of the many agates which found all over the world. A hard stone, usually within the range of 7-9 on the Mohs scale agates found in all colors of the rainbow, although green and blue are quite rare.

Additional information

Weight 212 g