 | | 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) | | describes sites under of the nearest town and county. and the many maps included book contain such...In Renaissance times, greatly admired, but today blue turquoise is the only ac- ceptable kind. Belief...or reflects red lengths most readily, then the blue is A wave lengths. The wave result red with...colorless; minerals, color can be misleading. A blue crystal may be dia- mond, aquamarine, topaz,...refractive index are more useful. Among single group gem the is fact that they fizz in chrosite |  | | Report (volume) | | P., 15. California, Barstow quadrangle: Trenton group, Ordovician: Bowen, O. E., Jr. , 5. Clark, T. H...Reading: Military Service Pub. Co. Texas, Tordilla Hill area, color: Shale nomenclature: Clark, T. H. ,6...4. also Limestone; Dolomite; Western, Claiborne group: Miss. Phosphate. Geol. Soc., 2. California: Calif...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite |  | | Report (issue) | | gems called Apostle Stones; and thus the beautiful blue acteristics of these sapphire became emblematic...as follows: "The best rubies come from the mines Upper Burma, north of Mandalay, in an area covering 25...and, since then, mining has been some success. Blue sapphires are brought from Ceylon, often as rolled...Canton, China. At St. Gothard, it occurs of a red or blue tinge in dolomite, and near Mozzo in Piedmont, in...yards above the works at Track Rock Mine, Union county, Ga., there are several slabs, one of which is |  | | Book (volume) | | greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...heliodors, and clear to slightly blue topazes. However, San Diego County, California, is arguably the most...1978, The mineralogy of Pennsylvania, 1966-1975: Friends of Mineralogy, Pennsylvania Chapter, 304 p. Stalder...from Mount Apatite. There are many quarries on this hill but most collectors, unaware of this fact, simply |  | | Report (edition) | | much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...appeared in Mineral News. Photos of the Crocker Hill locality in Paris were acquired through a grant...groups). In such cases, we often give the common group names in parentheses, since they are more easily...Railroad : multiple track .. State. Bridge ...... county, parish, municipio .... Power transmission line...Post-orogenic Devonian sedimentary rocks E-:3 6 - Upper Precambrian (?) ~ to Silurian rocks of the Merrimack |  | | Book (edition) | | 1. 2. 3. 4. II. Sulphur Group Boron Group Arsenic Group Carbon Group 104 106 109 110 115 MINERALS...Amphibole Group 274 275 277 278 Beryl, etc 2. Unisilicates Chrysolite Group Garnet Group Zircon Group...Axinite 282 Danburite, lolite 286 Mica Group Scapolite Group 287 292 293 286 Nephelite, Sodalite,... Leucite 296 302 303 304 306 Feldspar Group 8. Subsilicates Chondrodite Tourmaline Andalusite, Fibrolite...335 Fahlunite 336 Chlorite 337 IV. 1. 2. 3. 332 Hydromica Group Group HYDROCARBON COMPOUNDS |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...reflects red wavelengths most readily, then the blue wavelengths. The result is red with a bluish cast...But with most minerals, color can be misleading. A blue crystal may be diamond, aquamarine, topaz, tourmaline...minerals that are not silicates, the largest single group is the carbonates. They can be identified by the...hydrochloric acid and held in a flame will color the flame blue. Fluorite (calcium fluoride) when heated in a glass |  | | Journal (article/letter/editorial) | | redbrown albite pseudomorphs after a scapolite group min eral. The material came from a road cut along...mineral found is boracite. It occurs in 2-3 mm pale blue cubes, with crystal surfaces that vary from smooth...herschelite was identified as a more com sedimentary group, khondalites: garnet-sillimanite-graphite gneisses...uninspiring abstracts. The excellent Mineralogy of Pennsylvania, as updated by Smith (1978), should serve as...labradorite-anorthite composition anthophyllite-Blue Hill antigorite—Deer Isle antimony(?)—Old Town apophyllite—see |  | | Book (volume) | | ........................ 83 The History of Lord Hill, Black Mountain, Mount Apatite, and Nathaniel H...Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................Moore Electron Microprobe Analyses for Crandallite-Group Minerals from Maine Pegmatites ...................permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research...tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California. Most recently, Gene was gratified |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...that in group 1 the crystals are formed or developed alike in all three axial directions ; in group 2 the...in the several lateral directions, but unand in group 3 the crystals are formed unlike in all three like...the occuring planes pertain equally to both the upper and lower (or opposite) ranges of sectants, as in...orphic, in which the planes pertain to either the upper or the lower range, and not to both, and hence the |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...study of these different systems will show that in group 1 1. : ; : A the crystals are formed or developed...developed alike in all three axial directions; in group 2 the development is alike in the several lateral...lateral directions, but unlike vertically ; and in group 3 the crystals are formed unlike in all three These...the occuring planes pertain equally to both the upper and lower (or opposite) ranges of sectants, as in |  | | | | amianthus, amphibole 100 amianthus, blue 100 -amianthus, Cape 100 amphibole group 98 annabergite 73 arduinite...dialogite 42, 42 diamond 5, 6 galena 12, /3 garnet group 76 garnierite 107 gaylussite SO gehlenite 85 gismondine...97, 98 fayalite 75 feldspars 111 feldspathoid group 108 ferrierite 122 ferrimolybdite 63 fluoborite...119 metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, //3 millerite...102, /03 pyroxene group 96 pyrrhotite 12, /2 siberite 96 siderite 42 silica group 31 silicates 75 sillimanite |  | | Book (edition) | | Saontn-tirs. LONDON: TL’inJNEK & 0 0., LUDGATK HILL ,885. ( AF r?A‘As j 'Batltmtpnir I.AllAMYN)...Section 'riioiusonit(\ b. 1 2h\S Group 1 i singcrite Chlorite Gi\>uj> . 397 310 312 315 816 TABLE...that the gonal that are nearly cubic. same natural group of minerals may include both trimetrio and monoclinic...monoclinic species, as is true of the Hornblende group ; or monoclinio and triclinic, as is the fact with... the planes of the trapezohedron, fig. 19. The upper one of the planes 2-2 in these figures, when extended |  | | Book | | amphibole 100 amianthus, blue 100 _amianthus, Cape 100. amphibole group 98 analcite 76, 108, 111 anatase...coquimbite 60 cordierite 95 galena 12, 13 garnet group 76 garnierite 107 gaylussite 50 gehlenite 85 gismondine...eye 31 fayalite 75 feldspars 111 feldspathoid group 108 ferrierite 122 ferrimolybdite 63 fluoborite...119 metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, /13 millerite...pyrolusite 34 pyrope 76 pyrophyllite 102, 103 pyroxene group 96 pyrrhotite 12, /2 quartz 28, 31, 95 nepheline |  | | Book (edition) | | that in group 1 the crystals are formed or developed alike in all three axial directions; in group 2 the...the occuring planes pertain equally to both the upper and lower (or opposite) ranges of sectants, as in...Ilemimorphic, in which tlie planes pertain to either the upper or the lower range, and not to both, and hence the...which the sectants of the upper and of the lower ranges are alternate, but the upper not alternate with reference...which the sectants of the upper and lowei ranges are alternate, and also the upper «/' | | | Book | | amphibole 100 arnianthus, blue 100 ...amianthus, Cape 100 amphibole group 98 analcite 76, 108, I 11 anatase...fassaite 97, 98 fayalite 75 feldspars 111 feldspathoid group I08 ferrierite 122 ferrimolybdite 63 fluoborite...85 gahnite 24 galaxite 24 galena 12, 13 garnet group 76 garnierite 107 gaylussite 50 gehlenite 85 gismondine...mesotype 119 metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, 113 miJlerite...68, 68 pyrope 76 pyrophyllite 102, 103 pyroxene group 96 pyrrhotite 12, 12 quartz 28, 31, 95 quartz, amethyst |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...Geology and Mines Pa. G S Pennsylvania Geological Survey Pa. Gen As Pennsylvania, General Assembly Pa. Top...Top G S Com Pennsylvania Topographic and Geologic Survey Com-· mission R Ont Nickel Com Royal Ontario...83 Uranium and geology: Joly, 08 Variations in Upper Cretaceous stratigraphy: Stanton, 13 Vegetation...Porter (J B), 87; Rothwell, 74; Willis, 86a Baker Hill, Cherokee Co.: Brewer, 93 Birmingham district: Brainerd |  | | Journal (article/letter/editorial) | | sphaleritewith minor chalcopyrite,galena,quartz, chlorite, sericite,and dolomiteand minor interbeddedtuff...locatedapproximately 10 km south of Crandon in Forest County, Wisconsin.Most of the area is coveredby glacialdepositsrangingin...thermal metamorphismalonga with calcite, epidote, chlorite, clinozoisite, and belt stretchingfrom northern...texturesandstructures suchasgraded grainsin a matrix of chlorite and minor sericite;it bedding,flute casts,sagfeatures...assemblage. Eachiscom- fine-grainedtuff comprisedof chlorite, quartz, and prisedof a numberof unitsand subunits |  | | Report (issue) | | the Taconic-Berkshire, the RoweHawley, the Bronson Hill, the Nashoba, and the MilfordDedham. Their mutual...................................... Blackstone Group: Mica schist and phyllite (Zbs) and Quinnville Quartzite................. Blackstone Group: Greenstone and amphibolite (Hunting Hill Greenstone) (Zbv)............the mafic metavolcanic rocks (Zv) and the Hunting Hill Greenstone (Zbv).................... Metamorphic...Lynn Volcanic Complexes ............ Boston Bay Group ............................................... |  | | Report (volume) | | geology and mining industry of Leadville, Lake County, Colorado, by S. F. Emmons, pp. 201-290, pis. xliv-xlv...Preliminary paper on the driftless area of the upper Mississippi Valley, by T. C. Chamberlin and R. D... 353-398. Synopsis of the flora of the Laramie group, by Lester F. Ward, pp. 399-557, pis. xxxi-lxv....lxi,lxii. The faunal relations of the Eocene and Upper Cretaceous on the Pacific coast, by Timothy W. Stanton...and hydrography Continued. The mines of Ouster County, Colorado, by Samuel Franklin Emmons, pp. 405-472 |  | | Book | | describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...Freiberg, E. Germany; Pribram, Czechoslovakia; Broken Hill, New South Wales; Chanarcillo, Atacama, Chile; and...states of Guanajuato and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association...Cornwall; at Wallaroo, South Australia and Broken Hill, New South Wales. Found in sandstone at Corocoro...Corocoro, Bolivia, and at Cananea, Mexico. In the USA copper is found in abundance in the Keweenaw area of north |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Bentley Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |  | | Book (edition) | | given to the " normal group" under the successive systems, that is, to the group which is most common...is determined by the way in which the molecules group themselves together in a position of equilibrium...about each one of them (or at least about each unit group of them), and further the same in all parallel lines...extremities of the lines. pole of a face in the upper half of the crystal (above the plane of pro- by...normal to the faces of the tetrahedron. 160 This group is illustrated by artificial crystals of barium |
|
