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Groton, Grafton Co., New Hampshire, USA

Latitude: 43°42'6"N
Longitude: 71°50'8"W
Orginally named Cockermouth in 1761, the town was renamed Groton in 1792, after Groton, Massachusetts.

Note: "North Groton" - a locality name found on many mineral labels - is a village within the town of Groton which is close to many of the mines/quarries.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Albite
var: Cleavelandite
var: Oligoclase
'Albite-Anorthite Series'
'Alluaudite-Ferroalluaudite Series'
'Alluaudite Group'
Almandine
Amblygonite
Anapaite
Anatase
Annite
'Apatite'
Arrojadite-(KFe)
Arsenopyrite
Augelite
Autunite
Azurite
Barbosalite
Beraunite
Bermanite
Bertrandite
Beryl
var: Aquamarine
var: Heliodor
Beryllonite
β-Uranophane
Biotite
Birnessite
Bismuth
Bismuthinite
Bjarebyite (TL)
Bornite
Brazilianite
Brushite
Cacoxenite
Cerussite
Chalcopyrite
Chamosite
Childrenite
'Childrenite-Eosphorite Series'
Chlorapatite
'Chlorite Group'
Clarkeite ?
Collinsite
'Collinsite-Fairfieldite Series'
Columbite
Columbite-(Fe)
Compreignacite
Covellite
Crandallite
Cuprite
var: Chalcotrichite

Diadochite
Dickinsonite-(KMnNa)
Djurleite
Dufrénite
Elbaite
Eosphorite
Ernstite ?
Fairfieldite
Ferrisicklerite
Ferrohagendorfite
Ferrostrunzite
Florencite-(Ce)
Fluorapatite
var: Carbonate-rich Fluorapatite
var: Mn-bearing Fluorapatite
Foggite (TL)
Frondelite
Galena
'Garnet'
Gatumbaite
Goedkenite (TL)
Goethite
Gordonite
Gormanite
'Gormanite-Souzalite Series'
Goyazite
Graftonite
Greifensteinite
'Gummite'
Gypsum
Hagendorfite
Hagendorfite-NaNa
Hematite
Herderite
Heterosite
Hinsdalite
Hisingerite
Hollandite
Hopeite
'Hornblende'
Hureaulite
Hydroxylapatite
var: Carbonate-rich Hydroxylapatite
Hydroxylherderite
Ice
Illite
'Jahnsite'
Jahnsite-(CaMnFe) (TL)
Jahnsite-(CaMnMg)
Jahnsite-(CaMnMn)
Keckite
Kryzhanovskite
Kulanite
Landesite
Laueite
Lazulite
'Lazulite-Scorzalite Series'
Leucophosphite
Limonite
Lithiophilite ?
Löllingite
Ludlamite
Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'

Manganite
Marcasite
Melanterite
Messelite
Meta-autunite
Metaswitzerite ?
Metatorbernite
Metavivianite
Microcline
Microlite Group ?
Mitridatite
'Monazite'
Montebrasite
Moraesite
Muscovite
var: Sericite
Nontronite
Opal
var: Opal-AN
Palermoite (TL)
Parascholzite
Paravauxite
Paulscherrerite
'Perthite'
Phosphoferrite
Phosphophyllite
Phosphosiderite
Phosphuranylite
Pseudolaueite
Pseudomalachite
'Psilomelane'
Purpurite
Pyrite
Pyrolusite
Pyromorphite
Pyrrhotite
Quartz
var: Blue Quartz
var: Citrine
var: Milky Quartz
var: Rock Crystal
var: Rose Quartz
var: Sceptre Quartz
Quartz
var: Smoky Quartz

Realgar
Reddingite
Rhodochrosite
Rockbridgeite
Roscherite
Rutherfordine
Rutile
Samuelsonite (TL)
Sarcopside
Schoepite
Schoonerite (TL)
Schorl
Scorzalite
Siderite
Sillimanite
Sinkankasite
Smithsonite
Souzalite
Spessartine ?
Sphalerite
Stewartite
Strengite
Strunzite
Tantalite-(Fe)
Tapiolite-(Fe)
Tavorite
Todorokite
Topaz
Torbernite
'Tourmaline'
Triphylite
Triplite ?
Triploidite
Uraninite
Uranophane
Ushkovite
Vandendriesscheite
Vivianite
Wardite
Whiteite-(CaMnMg)
Whiteite-(MnFeMg)
Whitlockite (TL)
Whitmoreite (TL)
Wolfeite (TL)
Xanthoxenite (TL)
Xenotime-(Y)
Zanazziite
Zinnwaldite
Zircon
var: Cyrtolite


241 entries listed. 162 valid minerals. 11 type localities (valid minerals). 7 erroneous literature entries.

Localities in this Region

USA
USA

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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Maurice, C. S.; Headley, J. B., Jr. (1943). Valencia and Hackett mica mines, Groton, New Hampshire (USGS Open-File Report 43-67).

McNair, A. H.; Burnett, C. B.; Headley, J. B., Jr. (1943). Fletcher mica mine, Groton, New Hampshire (USGS Open-File Report 43-63).

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Jobs in New Hampshire, 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 7th Feb 2012 18:13:27
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