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Opal from
Skaggs Springs Mine, Skaggs Springs, Warm Springs Dam, Coast Range, Sonoma County, California, USA


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Skaggs Springs Mine, Skaggs Springs, Warm Springs Dam, Coast Range, Sonoma County, California, USA
Data Identifiers
Mindat Occurrence Record ID:644228
Long-form Identifier:1:3:644228:6
GUID (UUID V4):3c6a65ca-c745-42f8-aaf5-24f61f63bc31
References
Reference Search (possible matching items)
Report (issue)
42 c = 27.75 Z=4 X-ray Powder Pattern: Idrija mine, Slovenia. 4.94 (100), 3.40 (80), 4.04 (60), 2.48...formed by pyrolysis of organic material near hot springs or by hydrothermal fluids. Association: Cinnabar...“clay” (Idrija mine, Slovenia); metacinnabar, realgar, “opal” (Skaggs Springs, California, USA). Distribution:...(Idria) mercury mine, 38 km west of Ljubljana, northwestern Slovenia. In the USA, in California, at Skaggs...Skaggs Springs, Sonoma Co.; from the Great Western, Mirabel, Helen, and Research mines, Lake Co.; in the Knoxville
Report (issue)
THE INTERIOR GEOLOGICAL SURVEY CALIFORNIA Basic data for thermal springs and wells as recorded in GEOTHERM...not imply endorsement by the USGS. Menlo Park, California July 1983 INTRODUCTION GEOTHERM, a computerized...given in Bliss and Rapport (1983). This report on California is one of a series intended to preserve the data...and sources of records for California. The complete records for California can be found in a companion...one line summaries of each GEOTHERM record for California. Each index is sorted by different variables
Report (issue)
DEPARTMENT OF NATURAL RESOURCES MINERALS OF CALIFORNIA BULLETIN 1952 136 SUPPLEMENT DIVISION OF...BUILDING, SAN FRANCISCO 1952 MINERALS OF CALIFORNIA SUPPLEMENT TO BULLETIN By Joseph Murdoch •...Bulletin 136 and Supplement No. 1 Descriptions of California minerals and mineral localities Bibliography...Bulletin 136, the current revision of Minerals of California was published, it was planned to issue, from...inspection and use. The amount of new literature on California minerals, and the number of new-found occurrences
Journal (volume)
MAR1 v* 1950 STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES CALIFORNIA JOURNAL OF MINES AND GEOLOGY...off California and Mexico 7 Geology Along the Electra and West Point Tunnels, Amador County, California...23 County, California Geology of the Placerita Oil Field, Perlite Deposits in Sonoma County, Mines... Los Angeles County, California of California Sonoma County, 43 81 83 California of the State...FERRY BUILDING, SAN FRANCISCO _ 143 STATE OF CALIFORNIA EARL WARREN, Governor DEPARTMENT OF NATURAL RESOURCES
Journal (issue)
• • • • l .50 VASHEGYITE, Nevada. Veins in green Opal , polished mass. 7 x l~2 x1 1 ~ •••••• •.•••.•••...Charles A. Belz ................................624 AN OPAL FIND IN TIBET ................. ..................between Tuxedo Park and Greenwood Lake, Orange County, N. Y., has been placed with the Alexander Summer...among which are the Augusta, Bering, Brennan, California (Upper and Lower) , Crawford, Cook, Crossway...Sterlington, N . Y . Only one mine at that time was in operation, the Lake Mine ; the Scott Miine was being
Report (issue)
GEYSERS-CLEAR LAKE GEOTHERMAL AREA, ANNEX NORTHERN CALIFORNIA GEOLOGICAL SURVEY PROFESSIONAL PAPER 1141 COVER...GEOTHERMAL AREA, NORTHERN CALIFORNIA Landsat image of a part of northwestern California, showing Clear Lake...heterogeneous intricately dissected terrane of the Coast Range province to the west. Sutter Buttes, a center...in the upper right corner. Along the southwest coast can be seen the rift of the San Andreas fault, trending...Geysers-Clear Lake Geothermal Area, Northern California ROBERT J. McLAUGHLIN and JULIE M. DONNELLY— NOLAN
Book
of minerals. Long wave ultraviolet lies In the range of 3,000 to 4,000 Angstrom units. It fluoresces...the beaches of Lake Superior to tho deserts of California. With a lamp and a little luck and endurnnce...only one location at the top or the Coast range In San Benito County , Calif, Occurs with neptunlte and...Dark blue to colorless. Locations: San Benito County, Calif. blue s. w. n, L. w.fl: Phos: Hardness:...comp: Brewster, N. Y. ; Lancaster County, Penna. Blue CALA MINE See Hemlmorphlte CALCITE A form
Report (issue)
MINERALS OF CALIFORNIA BULLETIN No STATE ; . .. : DlViSIi BUILDIN 113 COLLEGE OF AGRICULTURE...AGRICULTURE DAVIS, CALIFORNIA STATE OF CAUFORNIA DEPABTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director...MINERALS OF CALIFORNIA By ADOLF PABST Associate Professor of Mineralogy University of California BERKELEY...BERKELEY CALIFORNIA STATE PRINTING OFFICE GEORGE H. MOORE. State Printer SACRAMENTO. 51440 1938 TABLE...Letter of Transmittal 5 Map 6 Outline o['. California Preface 7 Introduction 11 Native Elements
Report (issue)
] \ I ^,_|^_g|g„gy. MMM STATE OF CALIFORNIA GOODWIN I. KNIGHT, Governor DEPARTMENT OF... Chief BULLETIN December 173 MINERALS OF CALIFORNIA By JOSEPH MURDOCH University of Caliiomia,...ROBERT W. WEBB University of California, Santa Barbara College Goleta, California Price $3.00 LIBRARY UNIVERSITY...Goodwin J. Knight Governor of ihe State of California Dear Sir: I have the honor to transmit herewith...JenlCalifornia, Chief of the Division of Mines. Minerals of California is one of the Division's
Report (issue)
MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town kept...are nuggets. The nugget was acquired by the California Federation of Minerologicol Societies insignia...in in the Cali- San Francisco MINERALS OF CALIFORNIA CENTENNIAL VOLUME by JOSEPH (1866-1966) MURDOCH...Ian Campbell and Eleanor M. Learned BULLETIN California Division of Ferry Building, San 189 Mines
Journal (article/letter/editorial)
minerals were primarily opals, wernerite and hyalite opal. Because of light conditions, including a full moon...doubly terminated quartz xl from the famous Herkimer County, N.Y. area. The xl contained a fl. inclusion. Since...uniformly. Secondly, the Parker Mtn., Stafford Springs, N. H. locality has been 174 closed tighter than...occurs as flakes and coatings on sandstone from Skaggs Springs, Calif. It fl. a really beautiful strong blue-green...his loss if we goofed. on cutting and polishing opal and turquo- Luckily, we were able to obtain a number
Book (edition)
LIBRARY 3 1111 01599 4096 Rocks and Minerals of California THIRD REVISED EDITION NATUREGRAPH PUBLISHERS...LIBRARY GA BAPAEL CALIFORALA Rocks and Minerals of California THIRD REVISED EDITION Color Photographs W...greatly indebted to Dr. Gordon Oakeshott of the California State Division of Mines for his kind examination... Mrs. Eleanor M. Learned, who worked for the California Division of Mines and Geology, for looking over...Lactic ialiv ess Winib baie A wa ar Minerals of California................. 02... OTST TSS IGE Ee a, I RS
Book (volume)
..........................................49 California ..............................................................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 ......................................
Book (volume)
..........................................39 California .................................................467 Appendix D - The Various names & Forms of Opal .......................................473 Appendix...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...pegmatites and ore-bearing veins. Prior to the California gold rush of 1849, this portion of Alabama experienced...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham
Book (volume)
..........................................39 California .................................................469 Appendix D - The Various names & Forms of Opal .......................................475 Appendix...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...pegmatites and ore-bearing veins. Prior to the California gold rush of 1849, this portion of Alabama experienced...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham
Journal (article/letter/editorial)
Rapid City, S.D., sent in a beautiful piece of opal recently. It is a nodule of transparent gray material...material with a few scattered white spots visible. The opal is coated with a typical white, soft coating of... commonly seen on flint and common opal. Chuck had polished one edge of the opal and it had a very nice shine...interest in the piece centered around the fl. of the opal. It showed a very strong green fl. under sw and...MINERALS brought with him two spec, from the Lee Lead Mine, Washington Go., Mo. Both spec. fl. nicely. The
Book
MINERALS OF CALIFORNlA 299" 257889 PEMBERTON' HOFE CALIFORNIA MINERALS 2995 SEP 1933 OINCO Digitized by...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN NOSTRAND...H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume, 1866-1966...index. 1. Mineralogy - California. 2. Mines and mineral resources - California. I. MUidoch, J oseph, 1890Minerals...1890Minerals of California. 11. Title. QE375.C32P45 549.9794 81-15963 ISBN 0-442-274882 AACR2 Preface
Journal (issue)
and Pyrite. 2 V2 x 2 V2 x 2 .. Graphite, Alibar Mine, Siberia. Xlline. fibrous . 3 x 2 ½ •. ..•.• . •...Sa1n11ei C. Brotun ....499 MlNERALS OF THE SILVER MINE, MO., AREA. By Albert L. Kid1uell ........ 500 TRENTON...the same stone in creasing depth ; there is one mine over hctic the store, but this time in a case with...count of the war, I could not see it ; but of a good mine can make a fortune al,ined I was able to glean much...field. Each mine produces mica which generally is consistently within a certain size range, or less: thus
Journal (issue)
(') I) \.,W ,,: OFFICIAL FOSSILS JOURNAL California Federation of Mineralogical Societies AND American...of Lake Mead, near Boul­ der Dam, is being sponsored by the Clark County Gem Collectors of Las Vegas,...become a social help to the young men of the California Youth Authority at the San Lorenzo Valley Camp...groups or singly they are sure of a warm welcome from the Clark County eroup who always put on a wonderful...Copies 1 Oc Published Monthly at Ridgecrest, California - BUSINESS ADDRESS P, O. BOX 2CM, RIDGECREST
Report (issue)
Survey standards and nomenclature Menlo Park, California December, 1978 CONTENTS Page Introduction............................................ 69 California................................................of the spring, well, or field is given by state, county, latitude, longitude, the most detailed topographic...topographic map covering the area, township, range, section, quarter section, and the reference base and meridian...Area of surface expression. Areal extent of hot springs, hot spring deposits, or surface alteration are
Book
7 257989 R q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T...org/details/mineralsofcalifoOOpemb MINERALS OF CALIFORNIA MINERALS OF CALIFORNIA H. Earl r i L ] Pemberton ...H. Earl, 1907Minerals of California. An updating of: Minerals of California: 1866-1966 / by Joseph Murdoch...Includes index. 1. Mineralogy -California. 2. Mines and mineral resources- California. I. Murdoch, Joseph, 1890Minerals...1890Minerals of California. II. Title. centennial volume, QE375.C32P45 ISBN 0-442-27488 2 549.9794
Journal (issue)
................... 383 OPALIZED WOOD OF MESA COUNTY, COLORADO. BJ' UV. C. l\1inor ...................vicinity of Thomsonite Beach near Grand M arais, Cook County. (See inset key map) Thanks to the recent relocating...shore will prove bors or bays along the Superior coast in interesting. Thomsonite Beach, in a restricted...H arbor Bay is a picturesque indentation in the coast. The highway skirts the inner side, and along it...it from the desert over 1,000 kilometers to the coast. However, these were overcome and in 1827 the meteorite
Journal (issue)
of the Little Three mine pegmatites, Ramona district, San Diego County, California ..................... B. Spaulding R. A. Mason & R. F. Martin , California locality index ...........................................129 by A. R. Kampf & the Southern California Chapter of the Friends of Mineralogy, Locality...e P e g m a t it e s , istrc San Diego D ,California Eugene E. Foord U. S. Geological Survey, M....Louis B. Spaulding, Jr. P. O. Box 807, Ramona, California 92065 Roger A. M ason Dept, of Earth Sciences
Book (edition)
Woodland, Calif. ROCKS AND MINERALS OF CALIFORNIA SECOND REVISED By Vinson Brown EDITION and...Sie clos foe, ote 6 oS) oe teens Key to Common California Minerals .............. Some Rarer Minerals of....... Rocks California A Brief History of +++++--..........Rocks Key to Common California Photographs...Photographs in Color of California Rocks and Minerals ... Maps of California Rock and Mineral Distribution ....... Printing California Company INTRODUCTION A GLORIOUS STATE The state of California is blessed with
Report (issue)
saline and acid mine waters ______ _ Other nonthermal acid mineral waters ________ _ Springs with large spring...with volcanism________ 19. Acid sulfate-chloride springs in volcanic environments and crater lakes_____...do not balance exactly. Rates of discharge of springs are stated in U.S. gallons per minute (gpm). One...aquifers throughout the world. Rocks of this group range in chemical composition from almost pure silica...deep, a short distance east of the city of Hot Springs, Ark. (analysis 2), is slightly thermal and has
 
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