 | | 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 | | Buffalo, New York 14205 66 Leek Crescent Richmond Hill, Ontario L4B 1H1 Design and Layout: Joseph Gisini/PageWave...Dimensions in the captions refer to the entire gem or mineral; however, in some cases only a portion is shown... living organisms rocks such as granite. The mineral grains in these rocks are actually crystals, but...are yet these crystals are considered to be a mineral called crystal structures. Natural crystals formed...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING |  | | Book | | supporting data on the localities, general appearance, mineral associations, crystallographic characteristics...Sapozhnikov, and many other mineralogists, as well as mineral collectors, of which the contribution of G. Möhn...reproducible and reliable diagnostic characteristics of mineral species due to specific effects induced by orientation...to obtain a transmittance-mode IR spectrum of mineral, its mull (a very thick suspension) in Nujol is...130–140 In (Hg2)3(AsO4)2 (Baran et al. 1999b) VI Mn –O *310 Octahedra with 8 edges shared per MnO6 |
|
Mineral Hill, Elwyn, Middletown Township, Delaware County, Pennsylvania, USA