A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . CYANITE St. Gothards, ILVAITE Is. of Elba, ItalyBement Collection, American Museum of Natural History DEVELOPMENT OF MINERALOGY ^39 called—of solids in each other. The substances experimented withwere iodide and chloride of silver, the nitrates of potassium, thal-lium, rubidium, caesium, lead, strontium, silver; napthaline andB napthol; chlorate of potassium and thallium; dichlorbenzol anddibrombenzol, as also trichlorphenol and
A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . CYANITE St. Gothards, ILVAITE Is. of Elba, ItalyBement Collection, American Museum of Natural History DEVELOPMENT OF MINERALOGY ^39 called—of solids in each other. The substances experimented withwere iodide and chloride of silver, the nitrates of potassium, thal-lium, rubidium, caesium, lead, strontium, silver; napthaline andB napthol; chlorate of potassium and thallium; dichlorbenzol anddibrombenzol, as also trichlorphenol and tribromphenol, u. s. Solger illustrated the value of the Brewster light figures frometch cavities on crystal faces, for the determination of the crystal-lographic character of the etchings. E. Sommerfeldt undertook an investigation of the question asto whether in the mixture of substances in a crystal body, whoseproperties qualitatively were determined by such a mixture, therewas also a quantitative relation of the properties of the mixed crys-tal to those of the involved constituents. O. Miigge studied thearrangement and structure of mimetic crystals, or of crystals,which c
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmineral, bookyear1912
