Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is feldspar, 2 is leucite in lava, 3 is granophyry, 4 is granite porphyry, 5 is granite porphyry, and 6 is plagioclase., number: '1, 6', number: 'Table VIII', photographer: Emil Cohen, Greifswald, cliché maker: J. Grimm, Offenburg, c. 1880 - in or before 1885, Baden-Württemberg, Mecklenburg-Vorpommern, paper, collotype, photoprint, height 233 mm x width 149 mm, minerals and metals, A vertical page showing six circular monochrome photomicrographs arranged in two columns and three rows, each circle containing varied granular, cracked, or textured patterns with dark outer rims and lighter central areas, the top left circle featuring a rectangular lighter patch surrounded by darker mottling, the top right circle showing a cracked lighter interior with a darker irregular border, the middle left circle filled with intricate wavy and fibrous textures, the middle right circle displaying a mottled cracked surface wit...
Caption

Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is feldspar, 2 is leucite in lava, 3 is granophyry, 4 is granite porphyry, 5 is granite porphyry, and 6 is plagioclase., number: '1, 6', number: 'Table VIII', photographer: Emil Cohen, Greifswald, cliché maker: J. Grimm, Offenburg, c. 1880 - in or before 1885, Baden-Württemberg, Mecklenburg-Vorpommern, paper, collotype, photoprint, height 233 mm x width 149 mm, minerals and metals, A vertical page showing six circular monochrome photomicrographs arranged in two columns and three rows, each circle containing varied granular, cracked, or textured patterns with dark outer rims and lighter central areas, the top left circle featuring a rectangular lighter patch surrounded by darker mottling, the top right circle showing a cracked lighter interior with a darker irregular border, the middle left circle filled with intricate wavy and fibrous textures, the middle right circle displaying a mottled cracked surface with scattered dark inclusions near the rim, the bottom left circle presenting irregular pale patches within a darker speckled rim, and the bottom right circle containing a central dark area surrounded by radiating fibrous and fragmented textures; the page background is pale and slightly aged.

Credit line

Photo12/Liszt Collection

Reference

LZT26B00_223

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Rights managed

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