 | | Journal (article/letter/editorial) | | Stoneham, Colorado, New Explorations at the 202 ROCKS & MINERALS Barite Locality PETER J . MODRESKI...Federal Center Denver, Colorado 80225 BRYAN LEES 402 Gladiola Street Golden, Colorado 80401 DENNIS WILSON...WILSON 1099 L e e Street Lakewood, Colorado 80215 Beautiful blue barite crystals from this locality were...attraction at the 1989 Denver Show. A lthough Stoneham, Colorado, is not famous for spectacular mountain scenery...some with asso ciated calcite. The barite at Stoneham occurs in a bed rich in montmorillonite clay, |  | | Journal (article/letter/editorial) | | find in the replacement beds of the Magma Copper Mine here in Superior, Ariz. They are very scarce and...embed some of the barite. Superior, in N/E Pinal County, is in southern Arizona. CALIFORNIA — John S. Albanese...tourmaline, Gem Star Mine, Pala, Calif."—on label. Pala, in N / W San Diego County, is in southern California...California. COLORADO — "I am sending two crystals of blue barite, one has a fl. coating. Will you please...is the Stoneham loca16 xline—crystalline ph—phosphoresces tion about 26 miles west of Sterling, Colo |  | | Book (edition) | | and Washington occur the many types of agate, opal and petrified this region is noted. The agate...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...should always ask permission it may be un- or a mine dvmip. Cleanliness around a camp site and removal...Lincoln Co. Todd's Branch, Mecklenberg Co. Portis mine, Franklin Co. Muddy Creek headwaters, McDowell...Ferry, Hall Co. Horshaw mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, % |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Journal (issue) | | Pictured are a large nugget from the famous Fox Mine in Nevada and a strand of Chinese turquoise. You...Is priced at only . . . $.85 per lb. BLACK SPIDER MINE TURQUOISE - All ring size stones, mostly of a medium.............. $1.00 per lb. Opal, Mexico. black plumes In salmon color opal.............................. - ALL ORDERS MUST INCLUDE A $2.00 IN If In the USA - all For•IF Orden - We welcome export orders. Retume...have described in my articles could be made of sterling or any karat gold. However, in this case I would |  | | Journal (article/letter/editorial) | | free literature. SORTCARD CO., Box 901, Boulder, Colorado 80306 T H R E E DIMENSIONAL MODELS of the Basic...-$2.00. A . J . Gude, 845 Dudley St., Lakewood, Colorado 80215 (516) RO 6-6120 POLISH QUICKER AND K E...available only thru LEON SMITH, 5 Woodland Road, Stoneham, MA. 02180. FOSSILS F R E E FOSSIL L I S T ,...21214. C A L I B R A T E D OPAL CABOCHONS-David Pooley-Australian Opal Dealer, P.O. Box 27480-Honolulu...defray mailing costs of catalogue. HUGE ASSORTMENT, Sterling Silver Castings, also Wax Patterns, Gemstones |  | | Journal (issue) | | CA Articles Great pockets: the National Belle mine ..................................................T. Rosemeyer Phosphate minerals from the Tip Top mine, Black Hills, South D a k o ta ................... J. Campbell & W. L. Roberts The Stoneham barite locality, Colorado.......................................... 255 by N. L. Bennett The Buca della Vena mine, Tuscany, I ta ly ................................R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur |  | | Report (volume) | | and sapphire are considered precious gems. Some opal is precious, but most varieties are semiprecious...streams, and eventually deposited as alluvial gravels. Opal and agate are formed from aqueous solutions. Diamonds...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are: |  | | Journal (issue) | | diamond saw blades start as thin as 006 1 Ideal for opal 6 S7.75 PLASTIC LAPS Flat as a sheet ot glass and...the Barrier Reef, Ayers Rock, Alice Springs. As an opal enthusiast you'll also want to inspect, maybe purchase...purchase, some fine examples of Australian opal. As Australia is almost as large as the United States...various opal Selds to see the finest Australian opal. Now Opal Spectrum has its own spectacular opal showroom...showroom in Sydney. The Opal Spectrum Showroom. It's located on the 11th floor, Capital Centre, 255 Pitt |  | | Journal (issue) | | .................. 6 New Hampshire'• lncredlble Mine by Harry and Linda Sweeney........................are 5 for $1.00. SILVER HISHI - One ounce of sterling silver hlshl of good quality Is $12.00 per oz............. $1 .00 per lb. Opal. Mexico, black plumes In salmon color opal..............................- ALL ORDEAi MUST INCLUDE A S.2.00 ,_ II In the USA - all others including Canada must Include lull amount...when he was on his way to his newly discovered mica mine . Was he bundled up in warm clothes, maybe with |  | | Journal (issue) | | barrel clasps are 5 for $1 .00. One ounce of sterling sliver hlshl of good quality Is $12.00 PLEASURE.............. $1.00 per lb. Opal, Mexico, black plumes In salmon color opal..............................- ALL ORDERS MUIT INCLUDE A 12.00 lee If In the USA - all others Including Canada must Include full amount...are: No. 1, Last Chance Canyon, Saltdale; No. 2, Opal Mountain and Black Canyon, Hinkley; No. 3, Griffith...the above given address. COLORADO Weather permitting, members of the Colorado Mineral Society planned |  | | Journal (issue) | | changed by new ideas, tools, materials, and markets. Sterling silver and beautiful turquoise, blended expertly...World's Fair of Gems and Minerals." Host. Clark County Gem Collectora. Las Vegas Convention C.enter. Las...and polishing all cabochons including agate. Jade, opal, and turquoise. It's quiet! Portable! Clean! Fast...70 Specimens Purpurite Rose Quartz Petrified Wood Opal Lepidolite (Yellow) Chalk Nephrite Amazonite Psilomeiane...NOVEMBER 1974 Show. Pasadena City College, 1570 Colorado Blvd., Pasadena. CA. 9-8 and 10-6. Jamie Bird |  | | Journal (issue) | | through the courtesy of Pruett Press, Boulder, Colorado. This firm has released a 1977 calendar featuring...material to the mass, then form, bend, twist or weld it to the shape desired. Basically there are four...Corporation leased mineral rights and opened a new mine just northeast of the old workings. It is stated...countries. Mount Mica is located in Paris, Oxford County and is now owned by the Plumbago Mining Company...pick. All this time the few other people at the mine were looking at me as though I had been sun struck |  | | Journal (article/letter/editorial) | | Silverton, Colorado; photo by Harold and Erica Van Pelt. September-October: Wire silver, Cobalt Lode mine, Ontario;...421 Argellite, 188 Arkansas, Stand on Your Head #2 mine cookeite, 318; Magnet Cove eggonite, 114 Arsenopyrite...Wollastonite and Titanite Near Natural Bridge, Lewis County, New York, 78; 13th Rochester Academy of Science...Augusta, Maine, 417 Colorado, Crystal Mountain district, 230; Grizzly Bear mine, Ouray, 302; state fos...fos sil, 309; Stoneham barite, 319 Columbite, 190 Columbite-tantalite, 236 Coming Events, 57, 133, 203 |  | | Journal (issue) | | ......44 Another New Mlneral from the Big Chief Mine by Martha Llnde .........................66 8 111...are 5 for $1 .00. SILVER HISHI - One ounce of sterling silver hlshl of good quallty Is $12.00 per oz............ $1 .00 per l b. Opal, Mexico, black plume• in salmon color opal..............................- ALL ORDIRI IIUIT INCLUDI A 12.00 1M If In the USA - all others Including Canada must Include lull amount...slabs MAGER. Jeanne· Handcrafted Jewelry MALINE, Opal & Maury-Carvings MAI..KOW, Fem-Carvings MARIN PEGBOARDERS-Faceted |  | | Journal (issue) | | ..... .. 28............. . 30............ .. STERLING SHEET 1x8 2x8 3x8 $9.78 $19.56 $29.34 7.74 15...smoky quartz. Side view of the smoky quartz. STERLING WIRE ROUND Gauge Per Ft. gauge Per Ft. 6 ...60 .o8ox.250........ 1.15 Sterling tubing 1/11" OD ... $1 .25 Ft. Sterling Casting Grain $5.60 per Troy...with a coloring solution one that I also use on sterling silver. The stones were then secured in place...from 10 gauge round wire. You can make one from sterling (Fig. 3) or readymade ones can be purchased inexpensively |  | | Journal (issue) | | scintillating colors of Australian opal come to us through the courtesy of the Opal Spectrum company. For details...Our Cover feature. And, for a fascinating look at opal mining , plus more pictures, turn to page 8. AND...TX 78745 4 - JANUARY 1977 HOW TO CUT BRAZILIAN OPAL lapidary techniques for a new material by W.L Maison...and Barbara Thomas 32 TIPS ON BUYING AND CUTTING OPAL Advice from the professionals 34 ART NOUVEAU Easy-to-do...Gunther FEATURES 8 COO BER PEDY TODAY A visit to the opal mines by Lee Cross 15 INTERNAL STRUCTURES AND |  | | Journal (article/letter/editorial) | | Wulfenite, Empire mine, Tombstone, Arizona; Wendell E . Wilson photo and specimen. March/April: Mine engineers...Camp Bird mine, Colorado; Tom Rosemeyer histori cal photo. May/June: Barite on calcite, Stoneham, Colorado;...Muntyan photo. July/August: Fluorite, William Wise mine, Westmoreland, New Hampshire; Resur rection Mining...Keweenawan Basalt, South Range Quarry, Douglas County, Wisconsin, W. S. Cordua, 412-415 Anatase, New...Hampshire, 303 Anglesite, Colorado, 132 Anhydrite, Colorado, 143 Ankerite, Colorado, 132, 143 Apatite, New |  | | Journal (issue) | | Cuff JANUARY/FEBRUARY 2020 How to Float Fire Set opal on an invisible riser INTERWEAVE.COM Tools &...515 Narragansett Park Drive, Pawtucket, RI 02861 USA • 10 steel cutters (1/8 to 1-1/4") • Nylon center...Smokin’ Stones: Mexican Fire Opal by Sharon Elaine Thompson 26 FLOATING OPAL Prong set a gem on an invisible...Tools & Hip Tips, page 14; Noël Yovovich’s “Floating Opal” pendant, page 26. PHOTOS: JIM LAWSON 2 LAPIDARY... Next Time Noël Yovovich’s Pendant in “Floating Opal” Your Settings Roger Halas’s Cuff in “Spartan |  | | Journal (issue) | | SPRAY PIN 25x18mm No. 26-72-SS S5.70 each Sterling Silver 3 for $1 4.55 No. 26-72-GF $5.70 each...7-73-SS $6.90 Pair Sterling Silver 3 Pair $17.60 No. 32-17-SS $13.90 each Sterling Silver 3 for $35.45...Exhibition Hall Seattle, W&1billft0n Denver, Colorado ELECTRONIC POWER. . Dial controlled rotary and...'>t7-ffi79 New Finds A. Gold 8;1,t' Cem Cl))tal Opal \\ tth n-c.l. him·. t1ra1111.1· & 1-(rt't'tt t•t1lt1ur...11t•,·1ali1,· 111 ( :,•111 ()11altt~ ( :11 ,tal opal. \\ t• ha, t' ht•t•n 111111u111. a11d ~l,·al11111 |  | | Journal (issue) | | step 14 gauge sterling silver wire will have a lot of influence on the final 20 gauge sterling silver sheet...weight of. the project and therefore the 28 gauge sterling silver bezel strip total cost. Use a rotary file...needed to finish the inside of the background. Any sterling or other marks should be struck in the sheet before...Then began the bending of sixteen gauge round sterling silver wire to fit the lines of the pattern. Ends...tear-shaped opening. A length of 18 gauge round sterling silver wire was wound tightly around the wires |  | | Journal (issue) | | California 90406. * Helping Hand SEND ROUGH OPAL TO THE VALUE OF plus Registered Air-Mail POSTAGE...uncommon for A specimen from El Portal, Mariposa County, California. Size, 2½"x1¾#x¾". 14 - JUNE 1981...specimens like this one from the M inerva Mine, Cave In Rock , Hardin County, 1llinols. Size, 2"x1 ½ "x¾". The...3"x2¾ "x1 ¾". 0) From the Sherman mine; Leadville, Lake County, Colorado; 2"x2"x¼ " . E) "Rose" from near...encrustations of vanadlnlte; Sliver Cross mine, castle Dome, Yuma County, Arizona; 2¼ "x1 ½ "x1 " . (More color |  | | Journal (issue) | | ROCKHOUNDING AT DEVIL'S HEAD Collecting crystals in Colorado by Mrs. Wayne Henderson FEATURES 39 NEW AWARD...SHOW PROGRAM Don't miss this event 55 NEW FORM OF OPAL FROM BRAZIL DEPARTMENTS Offlcera 8111 Cox. President...Casting Equipment Jewelry Making Supplies Australian Opal Much More- COMPASS MINERAL- METAL DETECTOR 910...rest in (see drawing). She also uses it • To remove opal from a dop stick, Joe when putting new pads on the...State street In downtown Carlsbad, Calif. (Outside USA send $2.00 for catalOC) GEMS & MINERALS - 7 KEIJIJY |  | | Journal (issue) | | Depend ing upon yield - 30 to 50% from our rough opal - and yo ur market, prof its should not be less...cutting opal fo r profit , and WISH TO START YOUR OWN BUSINESS ask for our leaflet on how to cut opal more...2242, NORTH PARRANATTA 2151 , AUSTRALIA SEND ROUGH OPAL TO THE VALUE OF - -----------------------------...San Mateo Previouslv mentioned were the annual County. Federation · convention!> and shows; Third Row...Societies. July 8 through 11: Northwest Federation of Mine ralogical Societies. Center - Trophies for the award |
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