Sieber Agate 10mm Round AA Grade - 15-16 Inch

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Description

Sieber Agate 10mm Round AA Grade - 15-16 InchSieber agate is not a true agate but rather a glassy, dark blue grey or green copper slag that formed during ancient copper smelting in Germany, specifically from the Siebertal area. This historical "ancient slag" has a naturally swirling, intricate appearance resembling agate due to silica and mineral inclusions from the smelting process. It is a rare and collectible material known for its lapidary qualities, similar to obsidian, and is sometimes

pink and pale lilac

Impression Jasper comes in a variety of colors and possibly more names

Treated quartz that results in a unique blue color

Amber is a yellow

Afghanistan — the same legendary region that produced Lapis Lazuli for over 6

Sometimes called the "Black Prince's Ruby" for its role in the English crown

it can feature a striking mix of both green and blue in the same stone

It won 1st price and has been used ever since in sculpture

Crazy Lace Agate

resulting in fossils that are chalk-white

Verdite is a light to dark-green metamorphic rock

and it is known to have been widely used in Aztec and Native American cultures