Image: Olivine lamproite

Olivine lamproite

Olivine lamproite (11 cm x 6 cm). Cut slice. AK-1 Pipe, Argyle diamond mine, Kimberley Range, Western Australia.

Stuart Humphreys
© Australian Museum


Lamproite is a volcanic or subvolcanic rock, rich in potassium and magnesium, composed of unusual rare minerals such as K-Ti-richterite, priderite, wadeite, jeppeite, Fe-orthoclase and leucite. The host rock for diamonds in the AK1 pipe of the Argyle diamond mine, Western Australia.

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Tags igneous rocks, volcanic, volcanoes, mineralogy, specimen, geosciences,