Circa 1880s German engraving of Minerals and Rocks. Captions are in German.
Roughly translated: 1 Free Crystal Group (Freie Kristallgruppe) 2 Ingrown crystals (Eingewachsene Kristalle) 3 Crystals (Aufgewachsene Kristalle Gang) 4 Stem aggregate (Stängeliges Aggregat) 5 Granular aggregate (Körniges Aggregat) 6 Dendritic aggregate (Dendritisches Aggregat) 7 Crystals (Aufgewachsene Kristalle Druse) 8 Knitted aggregate (Gestricktes Aggregat) 9 Sheet aggregate (Plattiges Aggregat) 10 Traubiges aggregate (Traubiges Aggregat) 11 Crudely in blown up mineral (Derb eingesprengtes Mineral) 12 Agate almond (Achatmandel) 13 Granular rock structure (Körnige Gesteinsstruktur) 14 Porphyrartige structure (Porphyrartige Struktur) 15 (Porphyry Porphyrstruktur) 16 Spherulite structure in rough rock (Sphärolith Struktur in körn Gestein) 17 glassy rock (desgl in glasigem Gestein) 18 Almond stone structure (Mandelsteinstruktur) 19 Gneiss (Gneisstruktur) 20 Breccia (Breccie) 21 Conglomerate (Konglomerat) 22 Laminated rock (Geschichtetes Gestein) 23 Oolith (Oolithische Struktur) 24 Surface of lava (Oberfläche von Lava)
Size: 6476px × 5292px
Photo credit: © Old Paper Studios / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1880s, 1890s, 19th, antique, art, century, crystals, engraving, german, illustration, lava, minerals, oolite, oolith, rocks