Adular aus dem Habachtal, Österreich (118g) transparent The island of Sulawesi in Perle The island of Sulawesi in Indonesia is considered the only known source worldwide for this special mineral structure – a fact that makes every Grape Agate Freeform a rare treasure Whether this specific piece is currently on display there is best confirmed directly through our customer service – we're happy to advise you personally about this and other one of a kind pieces from our range Natural unique piece weighing 118 g almost silky looking crystal form and comes directly from the legendary Habach Valley in Austria – one of the most well known localities for feldspars in the entire Alpine region