Public domain
Six microscopic enlargements of minerals
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Images 1, 2, and 3 are biotite, 4, 5, and 6 is ottrelite.
Rijksmuseum, Amsterdam’s own descriptionCredit lineZes microscopische vergrotingen van mineralen. c. 1880 - in or before 18. Emil Cohen. Rijksmuseum, Amsterdam. Public domain.