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| FIELD TRIPS: New Mexico Orbicular Granite Purple Agate from Arizona • COLLECTING FOSSILS in Florida • PROJECT:...MINERALS AND JEWELRY Laguna agate from Mexico is just one of the many types of agate that will be represented...represented at the 2016 Agate Expo in Cedarburg, Wisconsin. The silica gem is a rockhound favorite. (Steve Wheeler...without notice. Field trip: Mulligan Peak Purple Agate ..................................................The 2016 Agate Expo ............................................................... 84 An agate lover’s |
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| иллюстративной части Text of the article aЬout "Agate" Ьу V. CЬernykh В. Семенов Compilation of illustrative...porphyries, rhodonites, and malachites, the Urals agate occupies а р!асе Ьу no means conspicuous. А few...might Ье described as the vivid and unique life agate lives in its natura1 environment as well as the...maturational process (Origin of agate), its changeaЫe nature (Varieties of agate) and, lastly, its fate and...to this magnificent stone. Section "Varieties of agate" is а truly Urals collection in the fuJI sense of |
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| A HANDBOOK FOR THE AGATE COLLECTOR AND CUTTER Including a Description of Agate Filled Thunder Eggs H...Including a Description of Agate Filled Thunder Eggs A HANDBOOK FOR THE AGATE COLLECTOR AND CUTTER BY ...PART III VARIETIES OF AGATE U PART IV NOTED AGATE LOCALITIES 30 PART V AGATE FILLED THUXDEREGGS ....... .30 PART VI NOTES ON AGATE 40 FRONT COVER PHOTO — Agate and gem hunting is a hobby which the...building up collections of agate cahochons, polished specimens of agates, and agate filled “thunder eggs.” |
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| or Money Order. In N.J. add 5% State Tax. $3.00 deposit for C.O.D. / I A R K I V O R M E T E R MASTER...Club is at Camp Site 2 and foreground is Area A agate diggings. (See map on page 27). Exposed throughout...the presence of extensive deposits of chalcedony, agate and jasper to be found throughout the entire area...often used by club groups. Area "A" is a deposit of vein agate alongside the road. It takes hardrock mining...colorful agate and jasper. Another halfmile south is Area "C." Look for a coarsely-grained bacon agate, red |
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| CANYON KERN COUNTY DRY LAIDEPOSIT WILDROSE CANYON . . . . . BROWN MOUNTAIN LOCALITY...Calilornia region where ther e are actually about 20,000 co llectors. In the upper Wildcat formation there is...interested in fossils, a.Ithough quite dull to the agate collector. San Mateo County California Towards...a little of it is gem quality. Some indifferent agate has been obtained and it is hoped that another trip...grade. The second and third hills over contain more agate than does the one adjacent to the road. It is a |
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| (continued on back flap) r 1° *o S = CO i 1 = o o = CO cvj Ma Civic Center Ge 549.973 MacFall...Chrysocolla, Turquoise LJ Emerald, Beryl *"» Agate ** Jade =p Amethyst ^ X ) y ' £f h % ^...stones will remain." On my own table is a section of agate, cut and polished, its concentric rings of rose...color, as in emeralds; their pattern, as in moss agate; or their play of color, as in opals. Fashion plays...sharp sliver of agate, such as Montana moss agate, is also useful to test minerals near agate in hardness |
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| Chrysocolla, Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem Hunter's...color, as in emeralds; their pattern, as in moss agate; or their play of eral color, as in opals. Fashion... such as agate and jasper, are described as cryptocrystal- line. For example, an agate nodule may...cat's- more but inexhaustibly various patterns of agate and jasper. So typical are their patterns that...form in the by decay or destruction of the wood. Agate and opal of gem quality formed in these ways are |
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| Probably the first paleontologist to examine the deposit was Dr. S. W. Muller of Stanford University, who...Wheat's report and a burning desire to examine the deposit, Dr. Camp's 40 years' experience in such matters...were raising money to erect a fence around the deposit and to hire a watchman to protect the quarry against...had been learned concerning the extent of the deposit that I decided to await further developments before...showed us fire chalcedony, known by many as fire agate. Their specimens were dark, tending more toward |
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| ROMO ic! 22 o- Hurricane Mesa- Petrified, Wood Agate) iil. eee 23 ae ssoosenerryavesaFetritied Wood....ic:eeeie thceatieer in eee: 28 On pealianyasn: Agate) retried Wooden). aii. Rose.) 29 Read Parag calcmbetritied...-++0-2+s-cheaede eee Gold He eA7Uritey Via (Ee Wendover Agate dc...cay... ita sores araemanaiyeeecntat pigsneeeetaae...118 eee tee Last: Chance Roads Agate). s.aca.sssiuesntsoS Dan Ratacl Agate [aspen «ci... cvaceu inser oe...oe eeeene, Aree 121 eere Ruby Ranch: Road Agate. << .cnie ent aes 122 ote eee RubycRanch Road 2" Agatearn |
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| faceted. Bottom Row {HODONITE—Butte, Mont.; MONTANA AGATE—Montana; OrBICULAR JASPER—Morgan Hill, Calif. ...Sane ae at = i ae, i — ve or hy eh 5 : 7 co '< 4 f >= =~ tei ye © = } iy Ligeia ...feldspar 79 Orienting iris agate 80 81 82 83 84 Pattern selections on agate slab Selecting best slab...17 138 FIGURE 110 Lee facet head.splitter 111 Agate block for charging laps 112 M.D.R. roller for charging...emerald, but it is also visible in the patterns of agate, in the spangles of aventurine, and in the gleaming |
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| MINERALOGY, YALE COLLEGE. ON THE PLAN AND WITH THE CO-OPERATION OF PROFESSOR JAMES D. DANA. WITH UPWARDS...These values may be in this system, 0, 1, a number co than In this way are derived greater l,"or vertical...always be written as a whole number, for the symbol co i Moreover it is seen that when n is oo 2. 1 is identical...w=l, n^> when m^l, n=ao when m-= n >1. when m=co n=\. when m=oo n=vz when m=Q, n=1. . . , , ,...when m=0, when w=oo [/] when m=oo [-&-2] when Tn co when m=l [1] \m\ when m m^l, [w-2] when m^.1, [m-n] |
