Caption

Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is quartz, 2 is nosean, 3 is melaphyry, 4 is melanite in phonolite, 5 is augite and 6 is augite in nephelinite., number: 'Tafel V', number: '1, 6', 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 black-and-white close-up images arranged in two columns and three rows against a pale background, each circle containing textured mineral or rock patterns with varying internal shapes and contrasts; the top left circle has a large irregular pale patch with darker fragmented border and small cracks, the top right circle contains three rounded pale clusters with dark centers surrounded by a speckled matrix, the middle left circle shows a roughly hexagonal pale area with fine radial lines and a dark rim, the middle right circle features concentric layered hexagonal shapes clustered with darker rounded forms on a lighter mottled background, the bottom left circle displays an elongated, faceted pale crystal embedded in a darker granular matrix, and the bottom right circle presents an irregular pale geometric form within a densely speckled dark ground.

Credit line

Photo12/Liszt Collection

Reference

LZT26B00_220

License type

Rights managed

Available size

37.5Mb (7.8Mb) / 9.6in x 15.2in / 2874 x 4559 (300dpi)

Keywords

Six microscopic enlargements minerals page photomechanical print Image 1 quartz 2 nosean 3 melaphyry 4 melanite phonolite 5 augite 6 nephelinite number Tafel V 1 photographer Emil Cohen Greifswald cliché maker J Grimm Offenburg c 1880 - 1885 Baden-Württemberg Mecklenburg-Vorpommern paper collotype photoprint height 233 mm x width 149 mm metals vertical showing six circular black- -white close-up images arranged two columns three rows pale background circle containing textured mineral rock patterns varying internal shapes contrasts top left large irregular pale patch darker fragmented border small cracks top right circle contains three rounded clusters dark centers surrounded speckled matrix middle roughly hexagonal area fine radial lines dark rim middle right circle features concentric layered hexagonal shapes clustered rounded forms lighter mottled background bottom circle displays elongated faceted crystal embedded darker granular matrix bottom right circle presents irregular geometric form within densely speckled dark ground