 | | Book (edition) | | cats-eyes).Most gem stones are as hard or harder thanquartz, a com-mon mineral everywhere present as dust...Hardness Scale6. Orthoclase1. Talc2.Gypsum7.QuartzTopazCorundum10. Diamond3. Colcite8.4...filewill scratch orthoclase feldsparbut notquartz. In making hardness tests, make sure that what...by the general arrange-ment of these surfaces.Quartz and amethyst, for example, arefrequently crystallized...^PERIDOTPHENACITESPHALERITESPODUMENEQUARTZ CRYSTALSSPINELSTAUROLITE•^^VESUVIANITE |  | | Journal (issue) | | Julius WeberMamaroneck,New YorkCOLORADO ISSUE #2ArticlesColorado locality index.............................. 323by B. L. MuntyanWhat’s new inColorado minerals? ......................................Famous mineral localities: theHome Sweet Homemine ..................................................339by M. I. JacobsonThe San Juan Mountains ofColorado ..................................349by J. A...AMAZONITEwithsmoky quartz, 10cm tall, from the YuccaHill claim, ParkCounty,Colorado. Richard A.Kosnar |  | | Journal (article/letter/editorial) | | PhotographsJanuaryFebruary: Rhodochrosite, N’Chwaningmine, Hotazel, South Africa. MartinZinn specimens, Erica...photo.May/June: Tourmaline onquartz, Cryo-Geniemine, San DiegoCounty, California. Natural History Museum...Museum of Los AngelesCountyspecimen, Harold and EricaVan Pelt photo.July/August: Amethyst and calcite...Ground Hogmine,Gilman, EagleCounty,Colorado. NaturalHistory Museum of Los AngelesCountyspecimen...Erica Van Pelt photo.November/December: Elbaite onquartz,Barra de Salinas, Minas Gerais, Brazil.Hyman |  | | Report (issue) | | ....29BuckCreek......................................................AnikovikCreek and Buhner...BuhnerCreek-................................Localities from which stream tin has been reported......... J.................................................Quartz............................................. ....Thin sections of altered porphyritic dike near TinCreek..24VI. A and B, Thin sections of porphyritic dike...and this find has awakened great interest in thedistrict. The demand for authentic information regarding |  | | Report (issue) | | the ruby, sapphire, spinel, emerald, rutile, andquartz of gemquality have been synthesized. The best...Fluorite5. Apatite.6.7.8.9.10.OrthoclaseQuartzTopazCorundumDiamondThe numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gemstone should be harder thanquartz.Some minerals...react to heatare: violetquartz (amethyst) changing to orange brown,smokyquartz to yellow, pale-green...sapphire, star sapphire, star ruby,rutile, andquartz are gem stones that have been successfully synthesized |  | | Report (issue) | | ..ALAMANCECOUNTY55Pyrophyllite......f..........5ALEXANDERCOUNTY .................Rutile and RutilatedQuartz. ...9Rutile, Xenotims and Monagite. ........9Smoky Quartz, Goethite and Graphite...9ALLEGHANICOUNTY1±Manganese....... f11Barite,11Copper. 11ASHECOUNTY....Copper...StauroliteAVERYCOUNTY . .......... 131313. 13Iron and EpidoteBUNCOMBECOUNTYGarnet ...........13Moonstone and Associated Minerals15BURKECOUNTY15Corundijin15Itacolumite15Toiirmaline |  | | Book (edition) | | ALASKAStewart's Jewel Jade Claims, located atDahlCreek. Stewart's Photo Shop,531 4th Ave., Anchorage,...Phone (907) 586-1785Jade, gold,serpentine,quartz, asbestos,rhodonite,chrysopraseFossilsGarnets...lbs., 400/lb.over 100 lbs.Black Mountain OpalMine. Write Lander'sTurquoise, 321 East Andy Devine...Phone(501) 262-2058. Fee: $2.00.Coleman CrystalMine, Jessleville. AR71949. Fee: $2-00. Under 12 yrs*...year. Free camping.**John Moundy, Mt. Ida. AR.Mine on HighPeak Mountain.Ocus Stanly, P.0. Box I63 |  | | Report (issue) | | 978-0-9836323-2-0PublisherLithographie, Ltd.Denver,Colorado,USADesign and LayoutGloria A. Staebler© 2012...Lithographic, Ltd.PO Box 11613 • Denver, CO 80211 •USAPhone: 1.303.495.5521 • Fax: 1.303.482.1238W\\w...United States of AmericaPHOTO CREDITSCover:Quartz variety amethyst, 10.5 cm tallGoboboseb Mountains...photo © 2009 GIAPage 2Quartz variety amethyst, 3.5 cm tallKakamunurleMine, Kar0r, Tamil Nadu, India...collection, Marie-Lan Nguyen photoUpper middle:Quartz variety amethyst (Japan-law twin), 1.6 cm tall |  | | Journal (issue) | | Colorado SpringsMineralogical SocietyFounded in 1936December 2015PICK&PACKVol 55 .... Number 10...Secretary: Sharon HolteOther EventsPg3TroutCreek PegmatitePg4Editor: Norma AlexanderSummer’s...Mark LemesanyCOLORADOMINERALOGICAL SOCIETYPICKPO BOX2COLORADO SPRINGS,COLORADO 80901-0002December...Senior Center is located at 1514 North Hancock inColorado Springs. For more information on any of thesub-groups...combined with the gem & mineral show); BoulderCounty Fairgrounds, Exhibit Building, 9595 Nelson Rd. |  | | Journal (issue) | | Colorado SpringsMineralogical SocietyFounded in 1936April 2015PICK&PACKVol 55 ...... Number 3Inside...Micromount GroupUGLY ROCK CONTESTby Joyce PriceTheColorado Springs Mineralogical Society will have an UGLY...really fun eventsof the year.COLORADOPO&BOX2COLORADO SPRINGS,COLORADO 80901-0002April 2015 SPRINGS...Senior Center is located at 1514 North Hancock inColorado Springs. For more information on any ofthe sub-groups...Auditorium (room 180).Thurs., Apr. 16, 7:00 p.m., TheColorado Scientific Society’s 2015 S.F. Emmons Lecture |  | | Report (issue) | | it helpful to refer to SurveyBulletin 507, "Themining districts of the western United States,"and to...exhausted bymining orquarrying. Deposits of minerals of wide distribution, such asquartzand calcite...because they occur in sufficient quantity to warrantmining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto.Colorado.........Prof. R. D. George, Boulder.Connecticut...See Bauxite and Hallpysite.Asbestos. TallapoosaCounty, with corundum deposits near Dudleyville; notfound |  | | Book | | Catalog Card Number: 74-1276The pictures of gold-in-quartz, smithsonite, stilbite, and wulfenite on the front...often are arrested there. At the Eldorado sapphiremine in Mon¬tana the action of a million years is readily...learn that gravel beds are rich in such minerals asquartz,feldspar, mica, garnet, tourmaline, magnetite...Schists often contain feldspar,garnet, mica andquartz.With sapphires are often found associated an abundance...oxide. Chalcedony, one of thecommon varieties ofquartz, was formed in the same way.Pegmatites and Hematites |  | | Report (issue) | | .............................................Colorado........................................................................................102District of Columbia ....................................to refer to GeologicalSurvey Bulletin 507, "Themining districts of the western UnitedStates," and to...exhausted bymining or quarrying. Deposits of minerals that are widely distributed, such asquartz andcalcite...because they occur in sufficient quantity to warrantmining for their usual products, but because they furnish |  | | Report (issue) | | THULITE AND PYRITEMONAZITEEMERALDCUPRITESMOKY QUARTZZIRCONTORBERNITE ~/ UBRAR'l USE ONLV...beauty are found in Cowee Valley in the FranklinCountyarea of western North Carolina.Many of these...beryl, amethyst, almandite garnet, citrine, andsmoky quartz.It is hoped that this publication will find...GEM STONES IN NORTH CAROLINA12History of GemMining12Important Gem Stones12Diamond12Corundum...Rutile17Quartz17Rock Crystal17Amethyst ••18RoseQuartz18Smoky Quartz18Rutilated | | | Report (issue) | | beauty are found in Cowee Valley in the FranklinCountyarea of western North Carolina.Many of these...beryl, amethyst, almandite garnet, citrine, andsmoky quarts.It is hoped that this publication will find..........................1012History of GemMining ..... .......................... .12Important.........................................1617Quartz ...................................................RoseQuartz .......................................................1818Smoky Quartz ........ |  | | Book (edition) | | describes sites undername of the nearest town andcounty.The directions and the many maps includedin the...Chrysocolla, Turquoise^P Ruby. SapphireOQuartz crystal^J^ Garnet^"^ Agate* * JadeAmethyst...minerals / 1with respect to one another.Thequartz gems, for example,such as amethyst, form crystal...vertical axis at right angles to the other three.Quartz and TYPICAL CRYSTAL FORMS<^bi^PCHIASTOLITE...other, light)FELDSPAR TWINSIJPHENACITEQUARTZ CRYSTALSffrl(^h/&>^&\b^^VESUVIANITE |  | | Book (volume) | | instance, a single Spodumene crystalfrom the EttaMine near Keystone on the east side of the Mount Rushmore...from 18’ to 27’ long. Inaddition, gem Garnets,Quartz crystals, Topaz and Tourmaline add to the fascination...beds,excavations, etc.Selenite roses.BRULECOUNTYAREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches.CAMPBELLCOUNTYMOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal.CORSONCOUNTYLITTLE EAGLE: area ridges, slopes, stream beds |  | | Report (issue) | | Contact metamorphisni ____...._________._.-.._Quartz-augite porphyry dikes__..___...__._____ . _ .....occurrences----__.._..___. . .-_.. _.___._.____.....Buck Creek______________._.__. _.__._____.._ ._Geologic...limestone_________________Cassiterite and wolframitequartz veins__________JMetasomatic processes___________________...__________________ , 61Buck Creek___________:____________________61GrouseCreek _____________________...Banded apophysis from garnet-vesnvianite mass on TinCreek ;B, Orbules in marble matrix, showing mode of origin____ |  | | Book (edition) | | ..........................................-..Quartz .................................................the gemsapphires came from the mines in FergusCounty, where they occurin a rock matrix. The majority...The development of the opal deposits of HumboldtCounty, Nev.,was attended with much success, and o. quantity...opal from Australia.Prospecting andmining at the emeraldmine in North Carolinawere aUended wit.h...previousyears. Benutuul a.met-hyst was found m Wa1TenCounty, N. C.,and some .fine gems have been cut from |  | | Book (volume) | | corner of Kimball Co. where it overlooks bothColorado and Wyoming. The subsurface rockstrata of the...of the PineRidge Escarpment and along WhiteclayCreek near the Sioux Indian community of the samename...and breaks in the hills along the MinnechaduzaCreek and the Niobrara,as well as all tributary canyons...chalcedony, jasper and gem petrified wood.BUFFALOCOUNTYKEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood.CASSCOUNTYWEEPING WATER, SE, on rd. to Nehawka, in the Snyderville |  | | Book (volume) | | ASHTABULACOUNTYCONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite.CLERMONTCOUNTYMILFORD...MILFORD, areacreek gravels and alluvial deposits, rare⎯Diamond.CLINTONCOUNTYWILMINGTON, area of Todd’s...Todd’s Ford, a mineral deposit⎯Hematite.COSHOCTONCOUNTYAREA, townships of Washington, Virginia, Bedford...Keene, MillCreek and Tuscarawas, as hard dark gray to blacknodules⎯flint.CUYAHOGACOUNTYCHAGRIN FALLS...Geauga Co. line), area quarries⎯oilstone.DELAWARECOUNTYDELAWARE, area Co. exposures of blue clay, as clusters |  | | Book (volume) | | ASHTABULACOUNTYCONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite.CLERMONTCOUNTYMILFORD...MILFORD, areacreek gravels and alluvial deposits, rare⎯Diamond.CLINTONCOUNTYWILMINGTON, area of Todd’s...Todd’s Ford, a mineral deposit⎯Hematite.COSHOCTONCOUNTYAREA, townships of Washington, Virginia, Bedford...Keene, MillCreek and Tuscarawas, as hard dark gray to blacknodules⎯flint.CUYAHOGACOUNTYCHAGRIN FALLS...Geauga Co. line), area quarries⎯oilstone.DELAWARECOUNTYDELAWARE, area Co. exposures of blue clay, as clusters |  | | Journal (article/letter/editorial) | | CoosaCounty thereis an outcrop that carries considerabletin and there has been somemining since1940..."Cassiterite is the only tin mineralfound in thedistrict. The crystals areblack or a dark mahogany color...crystals are largely found in the pegmatites of thedistrict."In the general area the followingminerals are...magnetite, microcline, muscovite,olivine, pyrite,quartz, sillimanite, topaz,tourmaline, zircon, zoisite...encrusted bycolorless drusyquartz; the locality is theAurora QuicksilverMine in San BenitoCo., Calif |  | | Journal (article/letter/editorial) | | comprehensive listing, including detailedspot locations oncounty road maps, refer to this publication, which can...The price is $5.00 plus 4% sales tax. Individualcounty road mapscan be obtained from the North Carolina...Carolina 27611B. J . M C K E N Z I EAlamanceCountyPyrophyllite, cacoxenite, diaspore, sericite, pyrite...ilmenite,topaz, and chert are found at the Snow Campmine (Holman'sMill) located 2.7 miles southeast of the...onto SR 2352 for approximately 1.9 miles. Themine lies north of the road on the side of awooded hill |  | | Journal (issue) | | Colorado SpringsMineralogical SocietyFounded in 1936Lazard CahnHonorary PresidentSept 2020“Pick...CSMS Annual Picnic18President’s Corner20Smoky Hawk Field Trip21Secretary’s Spot22Classifieds...Details InsideCOLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2COLORADO SPRINGS,COLORADO 80901-0002Sep...Pete Modreski)SUSPENDED Van Tuyl Lecture Series,Colorado School of Mines, Iron Ores in North America –...on.POSTPONED Symposium on Water and Energy inColorado, to be held in Ricketson Auditorium, Denver Museum |
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