Collins Hill, Portland, Middlesex Co., Connecticut, USA

Standard Detailed By Chemistry Mineral Photos (44)Search Google Mineral Report for Region

Mineral list contains entries from the region specified including sub-localities

Mineral List:

Actinolite
Albite
var: Cleavelandite
var: Oligoclase
'Allanite'
Allanite-(Ce) ?
Almandine
~~Amblygonite~~
Anatase
Anglesite
Apatite-(CaF)
var: Mn-bearing Apatite-(CaF)
Aragonite
~~Arsenolite~~
Arsenopyrite
Augelite
Autunite
Bavenite
Bertrandite
Beryl
var: Aquamarine
var: Morganite
Biotite
~~Bismite~~
Bismuthinite ?
Bismutite
Bityite
Brazilianite ?
Calcite
Cassiterite
Chalcopyrite
'Chlorite Group'
~~Chrysotile~~
Clinozoisite
Columbite
Columbite-(Fe)
Cookeite
Cordierite
Crandallite
Dickinsonite-(KMnNa)
Diopside
Elbaite
Eosphorite
Epidote
Epsomite
Eucryptite ?
Fairfieldite ?

Fluorite
Gahnite
Galena
Goethite
Graphite
Greenockite
Grossular
Gypsum
Hematite
'Hornblende'
Hureaulite
Ilmenite
Kaolinite
Kyanite
Lacroixite
Lepidolite
Limonite
Lithiophilite
Magnetite
Malachite
Manganite ?
Melanterite
Meta-autunite
Microcline
Microlite
Mitridatite
Molybdenite
'Monazite'
Monazite-(Ce)
Montebrasite
Montmorillonite
Morinite ?
Muscovite
Natromontebrasite ?
Opal
var: Opal-AN
~~Orthoclase~~
Petalite
Phenakite
Phlogopite
Pickeringite
'Pinite'
~~Planerite~~
Pollucite
'Prochlorite'
Purpurite
Pyrite

Pyrochlore
~~Pyrolusite~~
Pyrrhotite
Quartz
var: Citrine
var: Milky Quartz
var: Rock Crystal
var: Rose Quartz
var: Smoky Quartz
Reddingite
Rhodochrosite
~~Rhodonite~~
Samarskite-(Y)
'Scapolite'
Scheelite
Schorl
Scorodite
Siderite
Sillimanite
Spessartine
Sphalerite
Spodumene
var: Kunzite
Staurolite
Sulphur
~~Tantalite~~
Tantalite-(Mn)
Titanite
Topaz ?
Torbernite
'Tourmaline'
'var: Rubellite'
'var: Verdelite'
Triplite
Uraninite
Uranophane
Vesuvianite ?
Vivianite
'~~Voltzite'~~
Wardite ?
Wodginite
Wollastonite
Xenotime-(Y)
Zinnwaldite
Zircon
var: Cyrtolite
Zoisite

192 entries listed. 102 valid minerals. 10 erroneous literature entries.

Localities in this Region:


USA
Connecticut Middlesex Co. Portland Collins Hill Hale Walker quarry
Schoonmaker Mine (Cramer Mine)
Strickland Quarry
Unnamed Building Stone quarry
Waterfall

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Connecticut, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Nov 2009 21:25:41