 | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green...sapphire, star sapphire, star ruby, rutile, and quartz are gem stones that have been successfully synthesized |  | | 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...colorless crystals), Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville...100. Analysis: Railroad cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540 |  | | Book | | an entire rail road from Philadelphia to West Chester, now being made, 7oill afford facilities to the...various minerals, Chester through 1825, in made tour on a we found On a late county and part of the state...mineralogists a Chester county presents to the serpenlimestone, Her investigation. rich field for county, gneiss...manifested towards strangers by the inhabitants of the county, and the singular hospitality which particularly...for encouraging the mineralogist, to visit this county in preference to almost any section of country |  | | Report (issue) | | PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES Bulletin M 13 FELDSPAR IN PENNSYLVANIA By RALPH W... COPYRIGHTED, 1931 BY THE Commonwealth op Pennsylvania âą...transmit herewith a manuscript on Feldspar in Pennsylvania by Ralph W. Stone and II. Herbert Hughes, of...tons valued at sjd.f)!)0,000. Twenty years ago Pennsylvania ranked second among the States for crude feldspar...which figures are available at time of writing) Pennsylvania held eighth place with an output of only 2052 |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet __ Azurite, Malachite, Chrysocolla...with respect to one another. gem minerals The quartz gems, such as amethyst, form crystal prisms with...another at 60 degrees and intersected by a fourth Quartz and vertical axis at right angles to the other...other, light) FELDSPAR TWINS I J PHENACITE QUARTZ CRYSTALS ffrl (^h /&> ^& \b^ ^ VESUVIANITE |  | | Journal (issue) | | Vol. II . No. 6 . For The Mineral Collector. Quartz and its Varieties . By Albert C. Bates. PART III...III. In writing this series of articles on quartz, my effort has been to present the subject in such...is wellto cultivate. Nearly all tbe varieties of quartz occur in Nova Scotia. Localities are numerous,...Island on the west to Capes Split and Blomidon on the east. Here and there masses of trap rocks, from 200 to...it is in this trap rock that many varieties of quartz are found. In the amygdaloid occurs the many beautiful |  | | Book (edition) | | Science and Mechanics publishing 4^0 company East Ohio Street Chicago 11, Illinois Copyright 1951...gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized |  | | Journal (article/letter/editorial) | | pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks are made up of minerals. Some...the littleknown locality of Shannon Canyon, Inyo County, California. The specimen is 3 Ă 4 cm and was collected...silky luster, and may occur as colorless, gray, smoky brown, green, yellow, or rose-red crystals. Dark...from the Strickland quarry, Portland, Middlesex County, Connecticut. This is typical of the specimens...muscovite with quartz, 6.8 cm wide, from the Santo Niño mine, Patagonia district, Santa Cruz County, Arizona |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE...nodulesâŻPyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) âŻHematite. HOCKING COUNTY AREA |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.âŻcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddâs Ford, a mineral depositâŻHematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesâŻoilstone. DELAWARE COUNTY DELAWARE...nodulesâŻPyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) âŻHematite. HOCKING COUNTY AREA |  | | Book | | fabulous area t o fay_ M i c e the collecting in the East is different in many respects :ollecting in the...d dismiss l i g h t l y a n y tales o f in t h e East. T h i s i s n a t u r a L T h e regions a r e completely...settlements i n o u r c o u n t r y w e r e i n t h e East, i t i s n a t u r a l t h a t e x p l o r a t i...public. P h o t o by North Carolina Travel Division. East. T h e f a c t t h a t s o m a n y f a c e t a b...Jersey: L a k e Hopatcong, Greenwood L a k e Pennsylvania: S c h u y l k i l l R i v e r Vi r g i n i |  | | Journal (article/letter/editorial) | | cm long), Beebe Hall, McCain Valley, San Diego County, California. Cal and Kerith Graeber specimen; Jeffrey...crystals that are rooted in the microcline-plagioclase-quartz wall zone Downloaded by [] at 04:12 15 May 2015...project into the white quartz core. The portion of beryl enclosed by the quartz core is often sharply...cavity suFounded by graphic granite.) Typically, smoky quartz, albite, muscovite, and microcline line the...Aquamarine (6.7 cm long), Mount Antero, Chaffee County, Colorado. Martin Zinn specimen; Jeffrey Scovil |  | | Book | | Catalog Card Number: 74-1276 The pictures of gold-in-quartz, smithsonite, stilbite, and wulfenite on the front...learn that gravel beds are rich in such minerals as quartz, feldspar, mica, garnet, tourmaline, magnetite...Schists often contain feldspar, garnet, mica and quartz. With sapphires are often found associated an abundance...oxide. Chalcedony, one of the common varieties of quartz, was formed in the same way. Pegmatites and Hematites...contains as its principal comÂŹ ponents feldspar, quartz and mica it is known as pegmatite. Most of our |  | | Book (volume) | | This rectangular Great Plains state rises 4,460â east to west, from 840â to 5,300â, yet so imperceptibly...in Dawes Co. and the rather extensive rock beds east of the Orella railroad sta. ranks among the finest...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townïŸagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza |  | | Book | | of Saratoga in Now York, by Doct. John H. Steel. county A (Steel.') 1822." (N. G.) " New Farmer and... CATALOGUE OF AMERICAN MAINE. BATCHELDER'S GRANT. (Oxford Co.) Sulphuret of Lead at this place, and on land...perfect, and abundant, sometimes in very white quartz. Beryl, large crystals in graphic granite, also...Schorl, black, masses sometimes contain fragments of quartz, and feldspar. Feldspar, sometimes white, granular...granite and gneiss, ; limestone, with Granular Quartz ; it forms a stratified ruck of considerable extent |  | | Journal (article/letter/editorial) | | â note from Mrs. Strong. Inyo Mts. are in Inyo County in S/E California. COLORADO â "A friend and I,...Calhan, in rolling 496 Jerry Strong collecting quartz crystals in the Inyo Range, California. ROCKS A...geography is such: â the top layers are huge white quartz conglomerate boulders, then a thin layer of the...Marlboro, Conn." â on label. Marlboro, a small area east of East Hampton in N / E Middlesex Co., is in central...hike above the Nevel Mine.'' Newry, in western Oxford Co., is in S/W Maine. MINNESOTA â "Here is a sample |  | | Report (volume) | | ........................................... Pennsylvania...............................................of minerals that are widely distributed, such as quartz and calcite, have been omitted, except those that...value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...and Ehrenfeld, Frederick, Minerals of Pennsylvania: Pennsylvania Top. and Geol. Survey Comm. Kept. No...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Journal (issue) | | $1.50 per week) with Deacon Barrows, of Hebron, Oxford Co., Maine. 'There was a soul-stirring mixture...deep. All over the summit were scattered lumps of quartz mixed with âchunksâ of lepidolite streaked with...found in cavities, and in the terse idiom of Oxford County he told the signs and wonders of this world-famous...creditor. Among the many specimens was one of massive quartz containing two well exposed crystals of black tourmaline...was from MountMica. I tieVer see it in its West Chester âhome that I do not think âof the sad fate of its |  | | Journal (issue) | | Newsletter Pebble Beach Pegmatites Lake Buchanan, Llano County, Texas Art Smith 9118 Concho Str. Houston, Texas...Canine Road Marble Falls, Texas 78654 .7 l Llano County has long been known for its rare-earth granitic...the year. Continued on page 6 l. âą Figure 1. Smoky quartz crystals from Pebble Beach pegmatites; Art Smith...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 âą 3 Mineral News E-mail:...area where most Arkansas minerals occur, with most quartz, localities, Magnet Cove., etc .. only!' $14.95 |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Diamond M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^ Garnet â Azu rite, Malachite, Chrysocolla...fluor-spar from Derbyshire or, perhaps, a pyramid of smoky quartz from Cumberland. The next it may be rock crystal...Talc 6. Orthoclase feldspar 2. Gypsum 7. Quartz 3. Calcite 8. Topaz 4. Fluorite 9. Corundum...faces are placed with respect to one another. The quartz gems, for example, such as amethyst, form crystal |  | | Report (volume) | | Deposits of minerals of wide distribution, such as quartz and calcite, have been omitted, except those that...value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...Oregon............Prof. A. J. Collier, Eugene. Pennsylvania.... .Mr. R. R. Hice, Beaver. Prof. Florence...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Book (volume) | | variety and wealth of locality information concerning quartz gemstones are recognized in a separate chapter...references, among them may be mentioned: Vermont, Pennsylvania, North Carolina, Oregon, Kansas, Alabama, Ohio...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Rhodonite, Idocrase (Vesuvianite), The Garnet Group. Quartz FAMILY GEMSTONES RarRE AND UnusuaL GEMSTONES Chrysoberyl |  | | Journal (article/letter/editorial) | | a green rock found in Fairplay, Colo., in Park County. Would you please identify it for me?âasks Elizabeth...it is a very nice one. Fairplay, in western Park County, is in central Colorado. C O N N E C T I C U T...to purchase them. "The quarry is located on the east edge of North Vernon and is easy to reach." âletter...Lane, Bloomington, Ind. North Vernon, in central County, is in S/E Indiana. Jennings MAINEâGerald Arquette...specimen consisting of tiny rock xls in white granular quartz. "From the Harvard Mine we found quite a few of |  | | Book (volume) | | Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C. Keller + GEMSTONES OF AFGHANISTAN...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...densely populated regions, the Appalachians of the East, and the Sierras and Cascades of the West, for examples...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache |
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