Turning the Book Wheel

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Egyptian minerals, possibly breccia or conglomerate rock, from Description de l'Égypte Histoire naturelle atlas [bis.].

Full text here.

Jun 28, 2024

503 notes

Diagrams of minerals from Bulletin of the Department of Geology of the University of California v. 2 no. 1 (1896).

“F” in the diagram represents feldspar, “P” pyroxene, “A” analcite, “M” magnetite, and “G” glass.

A full explanation of the plate can be found here.

Nov 13, 2020

98 notes

Illustrations of minerals from Gottlieb Tobias Wilhelm’s Unterhaltungen aus der Naturgeschichte t.26 (1824).

Full text available here.

Oct 02, 2020

339 notes

Cross-sections of minerals from J.G. Kurr’s The Mineral Kingdom (1859).

More mineral illustrations (and explanations of which mineral is which) in the full text here.

Sep 11, 2020

1,959 notes