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Opal from
Case Quarries, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:see Opal-AN variety.
Confirmation
Validity:Confirmed
Confirmation Methods:Visual (Fluorescence)
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Case Quarries, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:37872
Long-form Identifier:1:3:37872:5
GUID (UUID V4):fdf3866a-a2e3-451a-8723-2acb38b6ebd0
Nearest other occurrences of Opal
1.3km (0.8 miles) ⓘGotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
2.0km (1.2 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
2.2km (1.4 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
2.3km (1.4 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
2.7km (1.7 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
2.8km (1.8 miles) ⓘEureka Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
3.8km (2.4 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
4.5km (2.8 miles) ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
Reference Search (possible matching items)
Book (edition)
THE MINERAL LOCALITIES OF CONNECTICUT AND SOUTHEASTERN NEW YORK * «-‱ r ** K* ysf^ :' ‱'’S >- n...250 SPECIES iBooks by Ronald Everett Januzzi CONNECTICUT MINERALS ON PARADE NEW YORK STATE MINERALS ON...THE MINERALOGICAL PRESS 83 Elm Street Danbury. Connecticut IIOIPW MINERALS ON PARAt>E F.tMSTltIP* THREE...to enrich our knowledge of the mineralogy of Connecticut: James Dwight Dana Samuel L. Penfield Edward...Minerals from the Principal Localities in Western Connecticut and Southeastern New York State.............
Journal (issue)
standard, SRM No. 104 (Burned Magnesite). In this case, the original 1933 certificate of analysis (above...6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia...Figure 7—Manganoan Calcite – Montreal Mine (Iron County, WI). Figure 3 (left) - “Wonderful World of Agates”...mineral specimens from the Montreal Mine (Iron County, Wisconsin). Most of the specimens came from the...An unusual specimen from the Flambeau Mine (Rusk County, Wisconsin) is a sheet copper (figure 6). One of
Journal (article/letter/editorial)
CONNECTICUT Mineral Locality Index Although many sites in Connecticut are no longer open to collectors...H. WEBER 1172 West L a k e Avenue Guilford, Connecticut 06437-1342 E A R L E C. SULLIVAN 17 R o c k y...y R i d g e D r i v e T r u m b u l l , Connecticut 06611-5326 T his locality index is meant to serve...collectors. More often than not, collecting in Connecticut is no longer per­ mitted. Many of the localities...effort has been made to list a l l localities in Connecticut, a small state that is big on mineralization
Journal (article/letter/editorial)
colorful assortment of xls and xl groups plus a FIRE OPAL; there are 18 quality specimens averaging 1 " and...Santa Fe, N. M. Heart of Connecticut Show Whopping Success The Heart of Connecticut Gem and Mineral Show...coming from many states, New York, New Jersey and Connecticut being especially well represented. It was estimated...the old Case Quarries in Portland, Connecticut. The large electronic display map of Connecticut mineral...32, Moodus, Connecticut, or Mr. Lewis K. Moore, 19 Stony Point Road, Clinton, Connecticut, stating reason
Journal (article/letter/editorial)
Rinehart, Pennsboto, W. Va. G. W. Weber, 1320 Portland Ave., Walla Walla, Wash. Thomas L. Sellers, Box...colorful assortment of xls and xl groups plus a FIRE OPAL; there are 18 quality specimens averaging 1 " and...Santa Fe, N. M. Heart of Connecticut Show Whopping Success The Heart of Connecticut Gem and Mineral Show...coming from many states, New York, New Jersey and Connecticut being especially well represented. It was estimated...the old Case Quarries in Portland, Connecticut. The large electronic display map of Connecticut mineral
Journal (issue)
Mineralogical Society , Inc. P.O Box 2642, Danbury, Connecticut 06810-2642 October 2013 VOLUME 63 The Danburite...NY. OPAL October's birthstones include opal, rose zircon, and tourmaline. Let's talk about opal. (We...preferred month back issue and I'll email it to you.) Opal is considered a gemstone, although technically it's...technically rigorous depending on context. Mindat defines opal succinctly: “Although it is Page 4 still (2007)...a valid mineral species for historical reasons, Opal is not a true mineral in the accepted sense of the
Journal (article/letter/editorial)
Wollastonite and Titanite Near Natural Bridge, Lewis County, New York, 78; 13th Rochester Academy of Science...in Specimen Miner­ alogy, 114 Connecticut, Litchfield hematite, 319; Case quarry beryl, 116 Cookeite, 190... W., Mineralization at the Fanwood and Summit Quarries, New Jersey, 150 Cureton, F . E . and M. E . ...Pegmatite Bodies in the Wausaw Pluton, Marathon County, Wisconsin, 188 Fascinating Story of Mount Mica's...Localities in the Beaver Creek Area of St. Lawrence County, New York, W. S. Condon, S. C. Chamberlain, 105
Journal (article/letter/editorial)
I S L O C A T E D about 25 miles northeast of Portland along Interstate Route 95 just across the Andros­...Andros­ coggin River from Brunswick in Sagadahoc County. A mile-wide belt of granitic pegmatites runs from...thirty or more named quarries and numerous unnamed prospects in Topsham. The quarries, all inactive, are...was built in 1872 and leased properties on which quarries were then opened. A jaw crusher, three wet grinding...specimens being collected almost as soon as the quarries were opened. The Topsham history (Wheeler and
Book (edition)
MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...offers substantial rock and gem resources. As old quarries become dumps, old mines fall into ruins and the...North Carolina, a big diamond or two in Arkansas, opal in Idaho, and so on. Old locations suddenly are...eye of the microscope. A few gem materials notably opal and obsidian are amorphous, lacking crystal structure...with light such as creates the unique beauty of opal or labradorite, the starry splendor of star sapphire
Book (volume)
.........................................94 Connecticut ..............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map ..........................................
Book (volume)
.........................................80 Connecticut .................................................467 Appendix D - The Various names & Forms of Opal .......................................473 Appendix...are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham
Book (volume)
.........................................80 Connecticut .................................................469 Appendix D - The Various names & Forms of Opal .......................................475 Appendix...are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham
Book (volume)
Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...campaign would produce results, or, in the worst case, eliminate barren areas from further consideration...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy
Book
HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...LOOK Freestanding Crystals Cavities Abandoned Quarries and Mines When and How to Go Immovable Areas...boulders one be worn splinters. m «f » in quarries or when collecting come could down hurtling...COLLECTING change rapidly, especially when it comes to quarries and road construction To avoid disappointment
Book (volume)
Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...campaign would produce results, or, in the worst case, eliminate barren areas from further consideration...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy... 15 Figure 6. Dallas Gem Mine in San Benito County, CA...........................................
Book
law and common sense dictate that one be worn in quarries or when collecting near unstable rock walls, where...can change rapidly especially when 11 comes to quarries and road construction To avoid disappoint‱ ment...topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...underground 1n quarries and mines ACTIVE MINES AND QUARRIES Since working mines and quarries are trad1t1onally...specimens once you have reached the mine or quarry In quarries examine the roadways, mine approaches. and the
Journal (article/letter/editorial)
90 MINERALS FROM 1 CONNECTICUT HILL By Richard Schooner P. O. Box 215 East Hampton, Conn. Collins Hill...Hill, in the town of Portland, undoubtedly represents the most remarkably mineralized area, of its size...Therefore, he is contenting himself, in this particular case, with merely providing an outline of the facts....from the alteration of bismutite, as at the Case Quarries in the same town. BISMUTHINITE should be fairly...visible in the walls of the Strickland Quarry. OPAL, of the incrusting white variety hyalite, is fairly
Book
DIRECTOR See erweiwE POR |S —$<$_____ MINES AND QUARRIES IQO2 PREPARED UNDER THE SUPERVISION CHIEF...1.—Character of inquiries concerning mines and quarries: 1850 to 1902 ...........--..----------.--2-----Table...included in Census reports concerning mines and quarries: 1850 to 1902........--.---.-.--.---Maplers—=Mlininostatistics...aes Table 13.—Productive and unproductive mines, quarries, and wells: 1902.......-..---------------------+------Table...reporting capitalization: 1902 . 2.2.2.2 2c-ce1- ashes case se saceieis Soe See ieee ate es See ee ee eae eee
Report (volume)
north-east of Dehra. With the single exception of a case noticed by Mr. Mallet in the Bhnt>4,n Dudrs (Memoirs...of older hornblendic rock are Very masses fw quarries are to be found^ and a||6 common in places...jpassant than inraore^civilised regions whe^e quarries are numerous. > Records of the Geological Surrey...Ohintaknrti inliers. The schistose spread in that case is simply a survival (if the term be allowable with...Chintakurti iiiliers. The schistose spread in that case is simply a survival (if the term bo allowable with
 
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