IT is well known that authigenic orthoclase is present in fossil sediments of marine origin. In the course of my studies of fragments from gabbro and anorthosites in a core taken in 1948 by the ...

Researchers at CSIRO, Australia’s science agency, are investigating the properties of plumbian orthoclase, a glowing green mineral that is part of the country’s mining industry revolution. Plumbian ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This object is part of the Education ...

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