LIVE REPORT! The 49th Treasures of the Earth Show - Albuquerque, New Mexico - last updated 2 hours ago. Click here to watch.
Donate now to keep alive!Help|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Case Quarries, Portland, Middlesex Co., Connecticut, USA

This page is currently not sponsored. Click here to sponsor this page.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
'Petscheckite' ?4.DH.35UFe(Nb,Ta)2O8
'Pyrolusite' ?4.DB.05Mn4+O2
var: Milky Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Uranpyrochlore (of Hogarth 1977)4.DH.15(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)
Group 5 - Nitrates and Carbonates
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
var: Mn-bearing Fluorapatite8.BN.05(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
'Meta-autunite'8.EB.10Ca(UO2)2(PO4)2 · 6-8H2O
'Metatorbernite'8.EB.10Cu(UO2)2(PO4)2 · 8H2O
'Phosphuranylite'8.EC.10(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
var: Aquamarine9.CJ.05Be3Al2Si6O18
var: Heliodor9.CJ.05Be3Al2(Si6O18)
Orthoclase ?9.FA.30K(AlSi3O8)
Spessartine ?9.AD.25Mn2+3Al2(SiO4)3
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
var: Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Unclassified Minerals, Rocks, etc.
Feldspar Group-
'var: Perthite'-
'Manganese Oxides'-
'var: Manganese Dendrites'-
Tantalite ?-(Mn,Fe)(Ta,Nb)2O6


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Boos, M. F., E. E. Maillot and McHenry Mosier. (1949), Investigation of Portland Beryl-Mica District, Middlesex County, Conn. US Bureau of Mines Report of Investigation 4425.
Cameron, Eugene N., Larrabee David M., McNair, Andrew H., Page, James T., Stewart, Glenn W., and Shainin, Vincent E. (1954), Pegmatite Investigations 1942-45 New England. USGS Professional Paper 255.
Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8.
Schooner, Richard. (1958), The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Stugard, Frederick, Jr. (1958), Pegmatites of the Middletown Area, Connecticut. USGS Bulletin 1042-Q.
Jones, Robert W., Jr. (1960), Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations. Fluorescent House. Branford, Connecticut.
Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.
Ryerson, Kathleen. (1972): Rock Hound's Guide to Connecticut. Pequot Press.
Webster, Bud. (1978), Mineral Collector’s Field Guide Connecticut. Privately published.
Albini, Anthony J. (1979), Selected Pegmatite Quarries of the Central Connecticut Region. Masters thesis.
Webster, Bud and Bill Shelton. (1979), Mineral Collector’s Field Guide the Northeast.
Cross, L. M. (1987), A New Occurrence of Beryl at Case Quarries, Portland, Connecticut. Rocks & Minerals: 62(2): 116-7.
Robinson, George W. and Vandall T. King. (1988), What's New in Minerals? Mineralogical Record: 19(5): 332.
Weber, Marcelle H. and Earle C. Sullivan. (1995), Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 403.
Huff, R. C., R. G. Huff, J. Vajdak. (1996), An Occurrence of Bismutoferrite in Portland, Connecticut. Rocks & Minerals: 71(3): 197.
Vajdak, Josef. (1997), New Mineral Finds in 1996, News from Vajdak of Pequa Rare Minerals and Metals. Mineral News: 13:(3): 1,4,5.
Davis, Fred E. (2000), June 17th Field Trip: Case Prospects. Triassic Valley Bulletin, New Haven Mineral Club.

External Links

Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: March 19, 2018 01:21:29 Page generated: March 18, 2018 22:34:03
Go to top of page