 | | Journal (article/letter/editorial) | | CLASSIC PEGMATITE OCCURRENCES IN Delaware County, Pennsylvania JOSEPH J . PETERS Department of Mineral...collected from a few granite pegmatites in Delaware County, Pennsylvania, near Philadelphia (Figure 1). The quarries...specimens: Leiper's Upper and Lower Avondale quarries, Avondale; Leiper's quarry, Springfield Township; and...and Deshong's quarry, Ridley-Nether Providence townships (Figure 2). The fascinating history and mineralogy...for the manufac ture of snuff. Upper Avondale quarry (Figure 5), one mile south of Swarthmore where |  | | Journal (article/letter/editorial) | | COLLECTING THE MINERALS OF SOUTHERN PENNSYLVANIA By PAUL BROUGHTON American University, Washington 16...southern Pennsylvania was at the West Ridge Quarry at Blue Ridge Summit, Adams County. This quarry is of...quite shallow in the side of a mountain. At the quarry we were able to collect several specimens of malachite...the entrance to the quarry. The bedrock of the quarry is a greenstone. The quarry is operated by the Rubberoid...have written permission to collect. To get to the quarry, take Route 16 northwest from Blue Ridge Summit |  | | Journal (article/letter/editorial) | | large part of Philadelphia is covered with the Delaware River gravels and clays, but most of the streams...river this rock was largely quarried. The first quarry opened was irnmediately on the river bank. When...When the inclined plane was abandoned the Pennsylvania Railroad made a curved cut through these rocks extending...from about 30th Street to 34th Street, and a large quarry, or a series of quarries afterwards merged into...with that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of coarse ort |  | | 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:...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Report (issue) | | areas. Association: Quartz, potassic feldspar, tourmaline, rhodonite, pyroxmangite, tephroite, alleghanyite...Islands, Greece. In the USA, in Leiper's quarry, Avondale, Delaware Co., Pennsylvania; the Rutherford mine |  | | Journal (article/letter/editorial) | | September 2017 East Mineralógica) Society of Pennsylvania October Field Trip. After a year of negotiation...run a society trip to the famous Leiper's quarry at Avondale, Delaware Co., Penn. Filling in the form below...said Company and The Mineralogical Society of Pennsylvania of and from all claims for damages of every...According to club geologist, Julie Reed, the Morrow quarry, presently in operation, is in granite gneiss,...autunite, uraninite, torbernite and gummite, in this quarry long known for the radioactive minerals it produced |  | | Journal (article/letter/editorial) | | from Meriden, Ct.; datolite from Springfield, Mass.; black tourmaline and cream-colord anthophyllite from...asbestos mine. From Strickland's Quarry, Portland, Ct., terminated black tourmaline, quartz with albite inclusions...columbite cryrstal. Mr. Knabe reported a trip to Leiper's quarry and Lenni, finding hematite at the latter. |  | | Book | | 10.5 cm (41/i in. ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover:...page 233. Page 2: Gemstone crystals including tourmaline, aquamarine, emerald, morganite, heliodor, topaz...1BSi,O,5(OH) 163 Beryl Be1Al 2Si 6O18 164- 171 Tourmaline group (see gems also) Elbaite Na(Li,Al)iAli BO3)3Si... ~ 29 Native Gold Sheet on Quartz El Dorado County; California 30 5 cm (2 In.) high Native Gold...across Native Copper in Calcite Hancock, Houghton County, Michigan 12 cm (4% in.) across 37 38 Native |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such... *' ^ *D * D } '<&*=> 4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet...IOLITE SPHALERITE RUBY i^b TOPAZ CRYSTALS TOURMALINE CRYSTALS (Cro»$-$«ction ot righl) ^ \b7 CHRYSOBERYL...of feldspar that make parallel to is and tourmaline, and the pearly cleavage unmistakable. Kunzite...aquamarine, topaz, tourmaline, cyanite, or apatite. Conversely, such a chameleon as tourmaline may be found |  | | Journal (article/letter/editorial) | | difficulties in the processing of gem stones. Mr. Leiper's letter served to get my thoughts together on this...common lapidary raw materials as quartz, topaz, tourmaline, sodalite, etc. The common amorphous gem materials...schemes are fairly conventional but now we have Mr. Leiper's suggested scheme involving infrared heat, but...the circuit will also give a slower heat." Mr. Leiper's scheme certainly has several merits which commend...inclusions such as are frequently encountered in tourmaline, aquamarine, topaz, and others. Soak the rough |  | | Journal (issue) | | four miles of the little town of Moab, in Grand county, near where the Grand River finds a tortuous way...seen the natural limestone bridge of Rockbridge county, Va., he will likely make comparisons that will...the first place, Southeastern Utah, where Grand county lies, has never been thoroughly explored ; then...GRANITE QUARRIES, WITH THAT KNOWN AS THE SWARTHMORE QUARRY. By Henry Clat Bordkn. [Read before the Students'...at various times the follow ing : 1. Beryl. 2. Tourmaline. 3. Thulite or Zoisite. 4. Grossu- larite. 5 |  | | Book (edition) | | explained on pages 31, 32. In figure 3, under Tourmaline, we have an instance of a hemihedral modification...pyro-electric, from the and electric. If a prism of tourmaline, after being heated, be placed on a delicate...a delicately suspended magnetic The prisms of tourmaline have different secondary needle. planes at the...property, especially boracite and topaz, which, like tourmaline, are Boracite crystallizes in hemihedral in their...gems ? What is a pyro-electric ? What is said of tourmaline ? wha cf topaz and boracite ? eating a mineral |  | | Book (edition) | | explained on pages 31, 32. In figure 3, under Tourmaline, we have an instance of a hemihedral modification...Greek pur^ fire, and electric. If a prism of tourmaline, after being heated, be placed on a delicate...delicately suspended magnetic needle. The prisms of tourmaline have different secondary planes at the two extremities...property, especially boracite and topaz, which, like tourmaline, are hemihedral in their modifications. Boracite...compared with other ? What a is What is said of tourmaline ? wha gems pyro-electric ? of topaz and boracite |  | | Book (edition) | | explained on pages 31, 32. / In figure 3, under Tourmaline, we have an instance of a hemihedral modification...near it, one extremity will be If a prism of tourmaline, after attracted, the other repelled, thus indicating...delicately suspended magnetic needle. The prisms of tourmaline have different secondary planes at the two extremities...property, especially boracite and topaz, which, like tourmaline, are hemikedral in their modifications. Boracite...? What is a pyro-e.lectric 1 What is said of tourmaline ? wha of topaz and boracite ] SPECIFIC GRAVITY |  | | Book (volume) | | Idaho; rectangular step cut purplish pink elbaite tourmaline (30.89 et), Maine; round brilliant red-orange...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy... 15 Figure 6. Dallas Gem Mine in San Benito County, CA........................................... |  | | Book (edition) | | explained on pages 31, 32. In figure 3, under Tourmaline, ,ve have an instance of a hemihedral modification...Greek pur, fire, and electric. If a prism of tourmaline, after being heated, be placed on a delicate...delicately suspended magnetic needle. The prisms of tourmaline have different secondary planes at the two extremities... especially boracite and topaz, ,vhich, like tourmaline, are hemihedral in their modifications. Boracite...gems 1 Whnt is D pyro-electric 7 What is said of tourmaline 1 ,vhat of topa1. and borncite 1 SPECIFIC GRAVITY |  | | Book | | Red and gray sandstone shale, and limestone. PENNSYLVANIA 40 I 60 50 Ml I 80 KM 76° -, I II --...l0000unse THE GEOLOGY OF PENNSYLVANIA COMMONWEALTH OF PENNSYLVANIA Mark Schweiker, Governor DEPARTMENT...Geology Slippery Rock University Published by PENNSYLVANIA GEOLOGICAL SURVEY PITTSBURGH GEOLOGICAL SOCIETY...from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown |  | | Book (edition) | | complicated compositions, e.g. the amphibole, mica, tourmaline, labuntsovite, eudialyte, and several other groups:...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from |  | | Book (edition) | | explained on pages 31, 32. In figure 3, under Tourmaline, ,ve h,a ve an instance of a hemihedral modification...Greek pur, fire, and electric. If a prism of tourmaline, after being heated, be placed on a delicate...delicately suspended magnetic needle. The prisms of tourmaline have different secondary planes at the two extremities...gems 1 What is n pyro-electric 1 What is said of tourmaline 1 ,vhat of topn1. and boracite ? SPECIFIC GR...springs in Columbia county, Ne·w York, and a region in the town of Hoosic, Rensselaer county, atroi·cl larg |
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