An elementary treatise on mineralogy and geology, 1-2. kötet

acid Aikin alumine amorphous antimony appears argillaceous argillite arsenic barytes Basalt beds blowpipe blue Brochant Brongniart brown brownish calcareous carbonate of lime cavities Chemical characters clay coal color compact composed conchoidal contains copper crystals earthy epidote faces feldspar fibres fibrous foliated four-sided prism fracture friable Geological situation gneiss grains granite granular gray gray copper grayish green greenish greenstone Hausmann Hauy hence hornblende Jameson Kirwan Klaproth laminæ lateral edges less limestone lustre magnesia magnetic manganese masses melts metallic mica mica slate mineral muriate nearly nitric acid occurs octaedron opaque oxide of iron particles Phillips porphyry powder primitive form primitive rocks prism pyramids pyritous quartz reddish resembles rhomb salt sandstone secondary shades shining silex silver situation and Localities solid angles sometimes species specific gravity specimen structure SUBSPECIES substance sulphate sulphur summits surface tinge translucent transparent traversing truncated uneven usually variety veins Werner yellow yellowish yielded