| | Report (issue) | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating | | | Book (edition) | in this part of the series the mineralogist has little occasion to take note. Minerals differ in specific...separate fore. CRYSTALLOGRAPHY. 11 With a little ingenuity the student may construct a goniometer...forms under each of the systems that differ but little in angles from some of other systems for example...right one of the six planes will be 3c f & la. By a little study, the expressions for the other five adjoining...adjoining faces are at right angles to one another. The little ridges of the striated surfaces are made up of | | | Book (edition) | mortised and tied together, so as to admit of a little movement at centre. Then, the model when in its...expressions, appearing at first sight possibly a little obscure, may be translated into simple language...[i-i] a [6>] As The abridged symbols need very little explanation additional to that given on p. 25....These relations may perhaps be made more clear by a little further through the vertical axis at Suppose a...; when this is not the case the relations are a little less simple. m MATHEMATICAL CRYSTALLOGRAPHY | | | Book (edition) | COPYRIGHT BT EDWARD S. DANA 1877. Press of J. J. Little & Co* Astor Place, New York. PREFACE. " " Text-Book...mortised and tied together, so as to admit of a little movement at centre. Then, the model when in its...expressions, appearing at 'first sight possibly a little obscure, may be translated into simple language...oo : : # a a The abridged symbols need very little explanation additional to that given on p. 25....These relations may perhaps be made more clear by a little further explanation. Suppose a plane to pass through | | Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. | Book (volume) | published by the Mineralogical Society of Great Britain. As formerly, an effort w^as made to remedy recognized...Verde Valley, Yavapai County, Arizona. In Nevada along the Virgin River in Clark County, and in distorted...distorted crystals from Humboldt County. From Borax Lake, San Bernardino County, California. In the Permian basin...of southeastern New Mexico and adjacent parts of Texas. Obtained from the waters of Great Salt Lake, Utah...southeastern New Mexico and adjacent parts of Texas. ^^ Alter. Sometimes formed as a Name. The compound |
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Wood's Chrome Mine, Texas, Little Britain Township, Lancaster County, Pennsylvania, USA