Sieber Agate 10mm Round AA Grade - 15-16 Inch 48hr_01202026 Many stones in the Russian

Many stones in the Russian crown jewels from the 17th century which were thought to be rubies are actually red Tourmaline

Ethiopian Opal typically occurs in brown

It is a white granite with dark gray mottling that also exhibits blue or green spots

It has tremendous healing powers and is said to help energize the inner body

bright red

Sieber Agate 10mm Round AA Grade - 15-16 Inch 48hr_01202026 Many stones in the RussianSieber 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