EditorialMineral and crystal varieties including fluorite, celestine and fibrous rock salt. Chromolithograph from Dr. Aldolph Kenngott's "Mineralogy" section in Gotthilf Heinrich von Schubert's "Naturgeschichte," Schreiber, Munich, 1886.
EditorialMineral and crystal varieties including fluorite, celestine and fibrous rock salt. Chromolithograph from Dr. Aldolph Kenngott's "Mineralogy" section in Gotthilf Heinrich von Schubert's "Naturgeschichte," Schreiber, Munich, 1886.
EditorialMetals including galena crystals on fluorite, cerussite crystals, mimetesite, wulfenite, crocoite, tin ore, zinc and zincite. Chromolithograph from Dr. Aldolph Kenngott's "Mineralogy" section in Gotthilf Heinrich von Schubert's "Naturgeschichte," Schre...
EditorialMinerals and crystals including aragonite, dolomite, anhydrite, apatite and fluorite. Chromolithograph from Dr. Aldolph Kenngott's "Mineralogy" section in Gotthilf Heinrich von Schubert's "Naturgeschichte," Schreiber, Munich, 1886.