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Chalcedony from
Agate Beach, Bolinas, Marin County, California, USA


Locality type:Beach
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Comments:Water-worn pebbles of translucent, speckeled chalcedony, many of which contain oil inclusions.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chert2 photos of Chalcedony associated with Chert at this locality.
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Agate Beach, Bolinas, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:938234
Long-form Identifier:1:3:938234:3
GUID (UUID V4):7dc1f2ff-ed5c-4af2-a3ec-d9fe92bf4d2c
Nearest other occurrences of Chalcedony
2.6km (1.6 miles) Bolinas, Marin County, California, USA
16.8km (10.5 miles) Rodeo Beach, Marin County, California, USA
29.0km (18.0 miles) San Francisco, San Francisco County, California, USA
38.6km (24.0 miles) Spruce Street Thunder Egg locality, Berkeley, Alameda County, California, USA
43.3km (26.9 miles) Unnamed gemstone occurrence [1], Berkeley, Alameda County, California, USA
63.9km (39.7 miles) La Joya Mine, Oakville, Oakville Mining District, Napa County, California, USA
64.9km (40.3 miles) La Vista Quarry and mill, Hayward, Alameda County, California, USA
65.2km (40.5 miles) Bella Oak Mine (Belle Oak Mine; Oakville Mine; Bella Union Mine), Oakville, Oakville Mining District, Napa County, California, USA
75.4km (46.9 miles) Pescadero Beach Mine, Pescadero, San Mateo County, California, USA
75.8km (47.1 miles) Great Eastern and Mount Jackson Mine, Guerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA
References
Reference Search (possible matching items)
Book (edition)
acknowledgement should be Dr. W. B. S. Thomas Huntington Beach, N. J., A. S. made to: of Lyons, N.J., Marion...were shaped by some accident of For instance, agate How is their formation. frequently found in...chrysoberyl cats-eye are valued chiefly for pattern, and agate and jasper among semi- precious materials are... crystals, Areas in Maine, Connecticut and California, and Madagascar, are famous for Lava known...the many types of agate, opal and petrified this region is noted. The agate is wood for which
Journal (issue)
wood from California Texas Washington Nevada 2"x 2" up to 6"x 6" S0c to $10.00 • - -- • Agate in Idaho...Idaho. Agate halves up nodules having blue, gray & white centers. A new find Polished halves up to 3 inches...Mountains, California. Polished to 4 inches $1.00, $2.00 and $3.00. • - - -• Red and white agate masses...Montana 1 ½"x 1½" SOc up to $3.00 «- - -• Many agate cabochons - all colors SOc to $2.00 «---• Moss...FREAK SIMULATIONS IN AGATE. by Ernest Weulhaas ............ . ..... BLUE AGATE IN WASHINGTON. by C. N
Book (edition)
areas. Price: $2.00. THE AGATE BOOK-by H. C. Dake. A special book for the agate hunter, collector and cutter...subvarieties of agate. The first complete book on agate with 50 photos showing various types of agate, localities... Pleose odd l Oc postage for each book. California residents odd 4% soles FROM YOUR DEALER OR...OR FROM GEMBOOKS, P.O. Box 808, MENTONE, CALIFORNIA tox. GEM TRAILS NORTHWEST A FIELD GUIDE FOR...by GEMBOOKS PUBLISHED BY GEM BOOKS MENTONE, CALIFORNIA THE COVER The interior of this thunderegg from
Book (volume)
mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
Book (volume)
mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
Book
fruit of that experience. A previous guide to the agate collection, published in 1899, was not illustrated...and inside of halved agate (sec also fig 92) Front cover: detail of sagcnitic agate from Dun bog (sec also...cover: Blue Hole agate (sec also fig 5 I) Inside frolll and back covers: detail of vein agate from Burn Anne...part, a tantalizing mystery. The popularity of agate has given rise since World War II to an absorbing...the British Isles, and presents a novel theory of agate formation based on old and new information. The
Book
C: co rn1non; S: scarce; R: rare. Agate: translucent chalcedony (kal-sed'-o-ny), a form of quartz with...typically nulky, semi-transparent white or clear chalcedony and free of any 1nineral i1npurities that would... ~~ , 'f ~: • ,;,r < - - - - Nodule of white agate shown ",,_! . ,~ - ·>.;i •• • : • ;,... "'...freshly released from the basalt. ~ 1 This cast of agate reveals .~ ... ~ the shape of the pocket in 1 t...- -This one is a sample of an "Agate-Want-A-Be" a.k.a. Sugar Agate. Cloud Agates Cloud Agates: sen1i-translucent
Book (edition)
i i I V Published by GEMBOOKS MENTONE, CALIFORNIA CONTENTS 2 KANSAS Foreword 4 How To Use...New Finds ................ Fairburn Type Agate Blue Chalcedony .... Tourmaline ............... Selenite...ARDMORE AGATE BEDS 11 OELRICHS AGATE BED .. 12 THE CUSTER AREA ......... Tepee Canyon Agate ... Garnets............. Black Agates..................... Chalcedony ..................... THE BADLANDS .............................................. "Coldwater" Agate..................... Fossils and Specimens.....
Journal (article/letter/editorial)
unakife and others, West 4 Ni/M most Heat Beach, Fla. We Withers, SPECIMENS cut and trade...WHOLESALE chon from California. 2 inches, $1.00. E. L. A n d e r s o n , California the synthetic Imported...MINERALS - Boxed, mount ed, and identified, postpaid USA, $2.00. Specimens average approx. 1 " . Irma Curry...Calif. WYOMING AGATE — Jade, jasper, ¡asp-agate, turritella, banded wood, Montana agate, Colorado dinny...MINERALS-Two boxes, each with 21 big specimens. Includes agate, asbestos, coquina. Attractively boxed, identified
Book
lapidary field. Beginning with a description of agate, he proceeds to an interesting account of the history...ever been written before. Tracing the history of agate from prehistoric days through events of the Bible...growing hobby. Chapters are devoted to the details of agate collecting, the varieties and forms of quartz and...varieties, with favorite location of quartz agate, opal wood — collectors. The petrified gems throughout...rockhound’s favorite gem — the agate. Lelande Quick La Jolla (San Diego), California Vll Acknowledgments
Book (volume)
colorful and fabulous tourmalines and kunzites of California and Maine, the sparkling sapphires of Montana...to the end of 1974. John Sinkankas San Diego, California July, 1975 JOHWSTUPAW.N19,901 Gene ay Derek...Southern Onyx and Marble Company of San Diego, California, furnished information and a photograph on the...the calcite onyx deposits of Baja California. Owen H. Perry of Marine Minerals, Inc., formerly of Helena...Oregon. Information was also supplied by Dowse’s Agate Shop, Salt Lake City, Utah, by William J. Bingham
Book
lapidary field. Beginning with a description of agate, he proceeds to an interesting account of the history...ever been written before. Tracing the history of agate from prehistoric days through events of the Bible...the details of agate collecting, the varie ties and forms of quartz gems other than agate, opal and its...infor1nation on tl1c rockl1ouncl's favorite gem-tl1e agate. THIS IS LELAND£ QUICK La Jolla ( ,5an l)irgo)...efficiently ty1)ecl by Wilcla Boyer of La Jolla, California. AFTER A 1 Lt::LANDJ:: Qu1cK La Jolla (San
Book (volume)
as: concretions, Barite and Celestite crystals, chalcedony rosettes, agates, jasper, fossil plants and vertebrate...known for its agates, chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel...especially to the W of townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd...Snyderville Quarry chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara... hillside surfacesagatized and opalized wood, agate, jasper;  in draws and washes and gravel beds of
Book (volume)
dikes ranking with those in Maine and Southern California for their production of gems and minerals. The...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...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE:  area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles
Book (edition)
on collecting. by DAROLD J. HENRY Author of California Gem Trails, Gem Trail Journal, The Rock Collector's...naturalist, a miner­ alogist, and an educator in California schools as well as a writer of many articles...Lowell R. Gordon, 1810 E. Anaheim Street, Long Beach, California No portions of this book may be reproduced... I l ti CALIFORNIA GEM TRAILS TABLE OF CONTENTS * FOREWORD NORTHERN CALIFORNIA.................PENTZ QUARRY SONOMA COUNTY . HUMBOLDT COUNTY EEL RIVER BEAR CANYON CREEK TRINITY COUNTY 8 9 9 9 9 10 II
Journal (article/letter/editorial)
1\IINERALR • Hunting Beach Agates --By-- J. 1\1. TRACY Portland, Orc qon. In Lincoln County, Oregon, along...the famous Newport chalcedony, agates, jaspers and other gem minerals are found. Agate, Nyes, and Yaquina...gravels, not heeding at all that the ocean Agate Beach, Oregon, after a storm. water was ruining their
Book
Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography) Jay Ellis Ransom...in L.\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia...Family Gemstones The Various Names and Forms of Agate Opal and Its Varieties Recommendations for Use of...possible by Howard and Hazel Michael, of Y reka, California, who opened their home and rock museum to me...quartz family minerals ( agate, carnelian, chalcedony, chert, flint, jasp-agate, jasper, quartzite, rock
Journal (article/letter/editorial)
crosses the Middle Fork of Yuba River in Sierra County, Calif., we have a sand sample from the river that...Gouverneur, N . Y. Beach Sand from Daytona Beach, Fla. From famous Daytona Beach in Volusia Co., Fla...N.Y.N.H.&H.R.R."—on label. ROCKS AND MINERALS Beach Sand from Fort Wilkins, Mich. Red Sand from Grenada...Lauderdale is a small body of water in Washington County, New York. About 300 feet of its northwestern tip...its north end and along the hiway; there was no beach here and so the sand 477 had to be scooped up
Journal (article/letter/editorial)
brilliant cut 4 M / M to 12 M/M. "Secor's," Bradenton Beach, Fla. BAROQUE GEMSTONES Special for your Christmas...Albert V. Topper, R. 2, Uniontown, Ohio. MEXICAN AGATE. Red crazy lace, laguna and Montezuma. All sizes...MINERALS - Boxed, mounted, and identified, postpaid USA, $2.00. Specimens average approx. 1 " . Irma Curry...Calif. WYOMING AGATE — Jade, jasper, ¡asp-agate, turritella, banded wood, Montana agate, Colorado dinny...23rd St., So. Sioux City, Nebr. LIST FOR STAMP. CALIFORNIA FINE GOLD IN ROCK. Sample, 35c; larger, 75c;
Book (edition)
Clubs invited. "No dealers, please." Oatman Fire Agate, Box 900, "0" Star Rt., Kingman, AZ 86401. Open...Petrified wood Fire opal Fire agate, desert roses Flower agate, snowflake agate, amethyst, "man¬ ganese crystals"...crystals Quartz crystals Diamonds Smithsonite CALIFORNIA A. Wilson, Box 281, Baker. CA 92309. "Sheep-Creek...wood; owl-hole agate Cave onyx, stalactites ("Legendary Kokoweef Caverns") Picture agate and jasper (was...878-2392* Open Sept.-June to clubs. Fee: 50^/lb. Jasp-agate, petrified palm wood, opal Epidote, antigorite,
Journal (issue)
COUN1Y, MO. By Albert L . Kidwell ........ 849 CALIFORNIA MINERAL PRODUCTION FOR 19215, THE LARGEST ON.......................................... 851 AGATE BEACH, OREGON. Bj Anthony Th1W1to11 .................in Tooele Cannon, son of a Morman pioneer, the County, Utah. Here, .according to local mineral resources...with small grinders, have been found in an old beach camp northeast of Camelback Mtn. Along fault F (Fig...AND MINERALS Iba, i br BLUE BARITE FROM TEXAS COUNTY, MISSOURI .:um. Geologist, Missouri Geological
Journal (issue)
medium purple color on agate. These have been sawed for polishing of the agate shell if you wish. Prices...CRYSTAL GEODES, Chihuahua, Mexico. Sawed halves on agate shell. These with brilliant deep smoky to medium...charges for blue white quartz, diameter $3.50 ea. AGATE SLABS. From Mexico or Brazil. These cut a full Va"...Va" thick and containing choice banded agate of various colors. Slabs 2x3 size $1.75, 3x4 $3.50, 3x5...annual affair will be staged again at the Pima County' Fairgrounds at 4700 South Sixth Ave., Feb. 18-19-20
Book
to travel extensively from Maine to Southern California, and from Washington’s Pacific Shores to Key...Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE...ClIRYSOCOLLA AUBREY GROUP, in Northern Arizona Agate, (in Kuibab limestone) BIG BUG CREEK, Yavapai Co
Journal (issue)
Ja,ner H. Benn ............................... CHALCEDONY FROlv1. BIG BEND PARK, TEXAS ..................found also as a cryptocrvstalline variety such as chalcedony. Of all these species calcite and quartz are...Intrusive Triassic Diah:ise at Goose Creek, Loudown County, Virginia, PROCEEDINGS OF THE U. S. NATIONAL MusETIM...PARK, TEXAS Very nice botryoidal specimens of chalcedony, also as small geodes, of a bluish-white color...southern Brewster County whose southern boundary is the Rio Grande. Some of the chalcedony is coated with
Journal (issue)
Washington University. HISTORY: Goble, in Columbia County, Oregon is one of the oldest and best known zeolite...Goble but chalcedony linings have been found. Zeolites are not found associated with the chalcedony. CALCITE...masolita on natrolite Shotgun Creek, Linn-Lane County line, Oregon mesolite Signal Peak, Silver Lake...Hills, Monte Lake, B.C. erionite Yaquina Head, Agate Beach, Oregon I10RDENITE1 Altoona, Wahkiakum Co....Malhaur Co., OraQon mordanite Yaquina Head, Agate Beach, Oregon mordanite Thi~ list is provided since
 
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