Adularia (including Moonstone) from Austria

Elongate, centipede-like inclusions are seen in one of the Austrian moonstones. Photomicrograph by M. Chaipaksa; magnified 70x.

Adularia is a hydrothermal low-temperature variety of orthoclase. It’s rare nowadays to come across gem-quality adularia from the Zillertal Alps, Tirol, Austria. AGL had the opportunity to examine two stones reportedly from the Austrian deposit.

The research was published in the The Journal of Gemmology, Vol 34, No 3, 2014. pp 190.

To download a copy click here

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