 | | Journal (article/letter/editorial) | | Engineering and Mining Journal, Vol. 67, 1889. PEGMATITE MINERALS OF MAINE B y D A V I D M. SEAMAN 36 Winter...manganese iron phosphate, has been noted in lithium pegmatite as an alteration of reddingite as octahedral-like... has been found as a rare mineral in lithium pegmatite at the Bennett Quarry at Buckfield, the Dun ton...crystals are at the Pulsifer and Keith, and other quarries on Mt. Apatite at Auburn; the Bennett Quarry at...Topsham; and as smaller octahedral crystals in pegmatite at Bridgeton. It is however not a common mineral |  | | Book (edition) | | of the Tilly Foster Mine . . The Branchville Pegmatite............................. On the Luminescent...consequently, the texture of the pegmatite is much coarser. In a very coarse pegmatite a small crystal of one mineral...difference in crystal size that characterizes the pegmatite. Pegmatites are thought to have been formed deep...bending it around the ends of the pegmatite; consequently, the pegmatite assumes either a lense-shaped structure...Pegmatitic contacts are often times distinct where the pegmatite meets the mica schist: If the pegmatitic intrusion |  | | Book (volume) | | California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...to any from Madagascar, Afghanistan, Russia, or Brazil. Certainly, only the best Maine gemstones are in...cassiterite crystals of Resplendor, Minas Gerais, Brazil, better than those from the Harvard quarry in Greenwood...morganites of Cerro de Urucum, Galileia, Minas Gerais, Brazil or from the Pala Chief mine, Pala, California,...concern specimens from Mount Apatite. There are many quarries on this hill but most collectors, unaware of this |  | | Book (volume) | | Perry . ......................... 129 The New1y Quarries .......................................................... 315 Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................first visit to the tourmaline-bearing granite pegmatite at Mount Mica in 1952 and Gene eventually completed...thesis on the famous tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California....where, through a translator, he was advising pegmatite miners about recovering useful minerals and began |  | | Journal (issue) | | card that secures the privileges of many mines, quarries, clubs, societies, muse1.1ms, libraries. ( 3 l...products ; gummite, uranophane, autunite, and phosphuranylite. It was beautiful. The superintendent came...He usually has free access to all the mines and quarries. He pays these companies for any material he takes...large amounts of mica and feldspar. At the Hale quarries unusually fine torbernite, with autunite, uranophane... Occurrence and mining of high grade quartz in Brazil. Testing and selection of crystals for radio use |  | | Book | | Franklin marble, the same rock obtained from local quarries. Only within a few feet of the zinc ore is there...same things are comparatively abundant in the quarries aboveground. To make things worse, the drift surfaces...the continuous intense glare, particularly in quarries, which bleaches the visual pigment in the retina...night can be hazardous. All of the hazards of quarries, mine dumps, and other collecting sites are magnified...in the United States is privately owned. Active quarries and mines are usually fenced and patrolled, and | | | Book | | Franklin marble, the same rock obtained from local quarries. Only within a few feet of the zinc ore is there...same things are comparatively abundant in the quarries aboveground. To make things worse, the drift surfaces...the continuous intense glare, particularly in quarries, which bleaches the visual pigment in the retina...night can be hazardous. All of the hazards of quarries, mine dumps, and other collecting sites are magnified...in the United States is privately owned. Active quarries and mines are usually fenced and patrolled, and |  | | Journal (issue) | | SWEDEN 5 Cover 1. Hambeigite. Ranglad 'skoye pegmatite field, E. Pamirs. 8x 4 cm. Specimen:A.M. Skrigitil'...and most interesting pegmatites of the Rangkul' pegmatite field are distributed over the area of the Muzkol-Rangkul'...with gemstones are distinguished in the Rangkul' pegmatite field. The first type comprises miarolitic pegmatites...of gemmy moonstone. Gemstones of the Rangkul' pegmatite field show definite typomorphic features. Each...granite-pegmatites. In what follows, a description of pegmatite gemstones is given in the order of their practical |  | | Book (volume) | | City Geode Location WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and streams...area⎯tripoli. VERMILION COUNTY DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils. WILL COUNTY LEMONT, area quarries⎯glistening Quartz replacement fossils. WILMINGTON, regional...Pyrite, Selenite and Sphalerite. Regional limestone quarries produce some gemmy Apatite, Calcite, Glauconite...Siderite can also be found in regional limestone quarries. ALLEN COUNTY FORT WAYNE: c area farms, as glacial |  | | Book (volume) | | City Geode Location WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and streams...area⎯tripoli. VERMILION COUNTY DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils. WILL COUNTY LEMONT, area quarries⎯glistening Quartz replacement fossils. WILMINGTON, regional...Pyrite, Selenite and Sphalerite. Regional limestone quarries produce some gemmy Apatite, Calcite, Glauconite...Siderite can also be found in regional limestone quarries. ALLEN COUNTY FORT WAYNE: c area farms, as glacial |
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