 | | Book (edition) | | 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...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, N’Chwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...photo. May/June: Tourmaline on quartz, Cryo-Genie mine, San Diego County, California. Natural History Museum...Museum of Los Angeles County specimen, Harold and EricaVan Pelt photo. July/August: Amethyst and calcite...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Erica Van Pelt photo. November/December: Elbaite on quartz, Barra de Salinas, Minas Gerais, Brazil. Hyman |  | | Journal (issue) | | com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian packet," Smoky Hawk claim, Florissant...most farnous collector species like amazonite, smoky quartz, rhodochrosite, fl uorite, gold and silver minerals...localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside mine, Creede, Cripple Creek,...By 1864 his expertise had brought him to Gilpin County, Colorado, where his reputation as a consultant...~ ) I~,. ~~ _ "f'• 0istrict, , ~ ,;:: V County , Colorado . l'fJ 1/ {r-zr--D '/;"~ of 2000 |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | River. ARIZONA—A nice xl of green fluorite from the Eagle Tail Mts., Yuma Co., Ariz., was sent in by Earl...(Teller Co.), Colo., this past summer some friends of mine found some interesting specimens which turned out...out to be selenite xls and tiny calcite, quartz, and fluorite xls. These crystals are micro mounts and...and are quite interesting. They came from the King Mine near Cripple Creek." CONNECTICUT—A very nice specimen...thickness, which were composed of plagioclase, quartz, and a glassy cleavable mineral. A cavity of crystallized |  | | 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 — 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 |  | | 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 (article/letter/editorial) | | displays and mineral occurrences of amazonite—smoky quartz and selenite-calcite-aragonite as they are found...most noteworthy meteorite, the Johnstown (Weld County) achondrite, is on exhibit with an interpretation...alloys. Also on display is the Bear Creek, Jefferson County, Colorado, iron meteorite which weighed 500 pounds...piece of allanite, Lookout Mountain area, Fremont County, Colorado, part of the recently donated E. W. Heinrich...7/8 inches. Upper left: "Penn Hill" nugget, Park County, Colorado. This 2'/2-by-3-inch nugget, the largest |  | | Journal (article/letter/editorial) | | ARIZONA—Nice specimens of turquoise come from the Indian Mine, Chloride, Mohave Co., Ariz. ARKANSAS—In the last...specimens at the famous Magnet Cove, Hot Spring County, Arkansas. I have just received a report from the...nice jasper. "The green chalcedony is from Marin County, north of San Francisco. It was picked up on a...ledge (Coyote Point). The chalcedony from Marin County is a beautiful dark green specimen. COLORADO—W...impure chalcedony, and cavities containing drusy quartz crystals which are brilliant and which fluoresce |  | | Journal (issue) | | Mine Vol. 35 No. 1 January 2019 News The Mineral Collector's Newsletter $6.00 Albert Edward Foote...Congress representing the Anti-Monopoly Party (Sioux County Herald I 874). Luckily, he was unsuccessful at...NewYork. Silver Ore from the Eagle Mine Red Cliff District, Eagle County, Colorado Bob Werner werner@lcturbonet...location. The specimen came from the well-known Eagle Mine (fig. 2 on page 3) of Empire Zinc Company, a...a subsidiary of New Jersey Zinc Company. The mine is located at Gilman, Red Cliff District (also known |  | | Book | | Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting.... and Michigan. Dow Chemical has reported finding diamonds in the kimberlites of upper Michigan, and vast...shoreline on both Lake Superior and Lake Michigan. Michigan is the state with the most shoreline on these...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |  | | Journal (issue) | | com PO Box 455 • Poncha Springs, Colorado 8124 2 USA Phone: 719-539-4113 • Fax 719-539-454 2 SPRING...Mineralogy of the Ropes Gold Mine. Near Ishpeming. Marquette County, Michigan 3 by Michael P. Basal HISTORIC...a gold nugget from Lhe Ropes Gold Mine, Marquette County, Michigan. The specimen measures I .5x2.5 cm...Mineralogy of the Ropes Gold Mine, Near Ishpeming, Marquette County, Michigan by Michael P. Basal Introduction...the Ropes Gold Mine. I had previously read an account o[ this historic site in Michigan Gold (Daniel Fountain |  | | Journal (article/letter/editorial) | | Riddle's Mill Dist. (gold deposits) of Talladega County, Ala. It is 8l/ 2 x 11 and sells for Si, we believe...several recent trips to Clear Creek, San Benito County, Calif., have shown that the jadeite boulders in...Diablo Meridian, Calif., in southeastern San Benito County. The town of Hollister is 80 miles northwest of...the Yellow Jacket mine on Bear Creek in northern San Juan County, Colorado. The mine was in a rather remote...remote section of the county and was never worked much. It has not been worked for many years and is |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...it a veritable not just a picof informa- is mine tion, telling everything the collector needs to...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...can use a mountaineering bag or a mili- quarry or mine where a permit tary bag; make it it should...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Journal (issue) | | Front cover: Fluorite on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family;...Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini |  | | Journal (issue) | | page 2 Fig. 1 Barrerite, 21/4 inches long, with quartz, Kuiu Island, Alaska, Gary McWilliams collection...Venture Ramon S. De Mark 530 E. Arch Street Marquette, Michigan 49855 "Behind every clump of crystals mined...were some of the words used to describe a lluorite mine in the San Andres Mountains of New Mexico. The author...location for a possible collectin_g ve~ture. The mine was determined to be the Bohrnstedt lluonte mme...for us to reach the mine. This was accomplished and we eventually reached the mine (which included a hike |  | | Journal (issue) | | MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...................3 by W. E. Wilson The Keweenaw County Fissure Mines........................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan...................................... Stefano & P. Persson The Central Mine, Keweenaw County, Michigan................................... |  | | Journal (issue) | | Famous mineral localities: the Home Sweet Home mine ..................................................COVER: AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard...significant mineral localities in C o l o r a d o ,by county. In addition, there is a complete listing o f all...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group...invited. COLORADO LOCALITY INDEX BOULDER COUNTY Caribou Mine Caribou (near Nederland), Caribou District |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...from 18’ to 27’ long. In addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds, etc |  | | Journal (issue) | | Pegmatite Mine The early-day history (1896-1913) of gem tourmaline mining at the Himalaya mine, San Diego...Diego County, is rife with conflicts by men who truly believed they were on the cusp of being wealthy....“The Early Mining History of the Himalaya Pegmatite Mine,” as described above was serialized in the January...sold, with mailing postage prepaid to continental USA addresses at $15 per copy. Requests for purchase...~~~~~~~~~~~~~~~~~~~ Caracolite from Challacollo mine, Iquique, Tarapaca Prov., Chile, Compliments of |  | | Book (volume) | | ..........................................238 Michigan ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ..................................................................45 Arizona – Yuma Co. Hull Mine Site Map ...................................... |  | | 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 |
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