It is situated near the village Satzung, in the Ore Mountains, about 1.5 km from the border to the Czech Republic.
Its elevation is 890 m.[1] Hirtstein is a gneiss knoll with an intrusion of volcanic rock, commonly referred to as basalt[2] and specifically identified as clinopyroxene-melanephelinite,[3] whose fan shape has been exposed by quarry operations.
This formation was deemed worthy of protection already in the 19th century and was spared from quarrying.
[5] Minerals such as augite, magnetite, nepheline, olivine and perovskite have been identified in samples from the basaltic fan of Hirtstein.
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