Portland, Middlesex Co., Connecticut, USA

Standard Detailed By Chemistry Mineral Photos (109)Site Photos (9)Maps Nearest Localities Search Google Mineral Report for Region

Ref.: Rocks & Min.: 64:471.

Map Reference: 41°34'22"N , 72°38'28"W

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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: Heliodor
var: Morganite
Biotite
Bismite
Bismuthinite
Bismutite
Bismutoferrite
Bityite
Brazilianite ?
Calcite
Cassiterite
Chalcopyrite
'Chlorite Group'
~~Chrysotile~~
Clinozoisite
Columbite
Columbite-(Fe)
Cookeite
Cordierite
Crandallite
Cuprobismutite
Dickinsonite-(KMnNa)
Diopside
Elbaite
Eosphorite
Epidote
Epsomite
Eucryptite ?
Euxenite-(Y)
Fairfieldite ?
Ferrimolybdite
Fluorite
Gahnite
Galena

Goethite
Graphite
Greenockite
Grossular
'Gummite'
Gypsum
Halloysite
Hematite
Heterosite
Hexahydrite
'Hornblende'
Hureaulite
Ilmenite
Kaolinite
'K Feldspar'
Kyanite
Lacroixite
Lepidolite
Liandratite
Limonite
Lithiophilite
Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'
Manganite ?
Melanterite
Meta-autunite
Microcline
var: Amazonite
Microlite
Mitridatite
Molybdenite
'Monazite'
Monazite-(Ce)
Montebrasite
Montmorillonite
Morinite ?
Muscovite
Natromontebrasite
Opal
var: Opal-AN
Orthoclase
Parsonsite
'Perthite'
Petalite
Petscheckite ?
Phenakite
Phlogopite
Phosphuranylite
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
Stewartite
Sulphur
Tantalite
Tantalite-(Mn)
'Tapiolite'
Thorogummite
Titanite
Topaz ?
Torbernite
'Tourmaline'
'var: Rubellite'
'var: Verdelite'
Triphylite
Triplite
Uraninite
Uranophane
Uranpyrochlore
Vesuvianite ?
Vivianite
'Voltzite' ?
Wardite ?
Wodginite
Wollastonite
Xenotime-(Y)
Zinnwaldite
Zircon
var: Cyrtolite
Zoisite

380 entries listed. 118 valid minerals. 5 erroneous literature entries.

Localities in this Region:


USA
Connecticut Middlesex Co. Portland Andrews Quarry
Appletree Lane
Bordonaro Quarry
Case beryl prospects (Case quarries)
Collins Hill
Hale Walker quarry
Schoonmaker Mine (Cramer Mine)
Strickland Quarry
Unnamed Building Stone quarry
Waterfall
Hale Quarry
Pelton's Quarry
Penfield Quarry
Walden Gem Quarry (Gotta-Walden prospect)

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: 3rd Nov 2009 14:26:09