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Regional Report: Middlesex Co., Massachusetts, USA

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Middlesex Co., Massachusetts, USA

  • Actinolite - 2, 16, 18, 40, 19, 74, 43, 56, 52
  • 'Adularia' - 10
  • Aegirine - 64
  • Albite - 10, 2, 50, 30, 51, 36, 35
  • 'Albite-Anorthite Series' - 39, 43
  • 'Allanite' - 36, 21
  • Allanite-(Ce) - 10
  • Almandine - 33, 19, 43
  • 'Almandine-Spessartine Series' - 2
  • 'Amazonite' - 66
  • 'Amethyst' - 45
  • 'Amphibole Group' - 20, 1
  • Analcime - 10
  • Anatase - 50, 30, 29, 62, 3
  • Andalusite - 53
  • 'Andesine' - 62
  • Andradite - 10
  • Anhydrite - 51
  • 'Apatite' - 64, 51, 36, 62, 28, 39, 9, 60
  • Apatite-(CaF) - 2, 33, 19, 44, 57
  • Aragonite - 69
  • Arsenopyrite - 10
  • Augite - 64, 62
  • Aurichalcite - 2
  • Autunite - 33, 66, 44
  • 'Axinite' - 33
  • Axinite-(Fe) - 2
  • Babingtonite - 10, 2, 25, 29, 59, 72, 58
  • Baryte - 51, 36, 68
  • Beryl - 1, 34
  • Biotite - 10, 2, 64, 36, 62, 35, 42, 28, 43, 60
  • 'Blue Quartz' - 56, 52
  • Bornite - 10, 2
  • 'Bowenite' - 63
  • Brookite - 50, 30, 29, 18
  • Brucite - 19
  • Calcite - 10, 2, 50, 33, 25, 7, 45, 30, 51, 16, 18, 23, 36, 62, 40, 11, 63, 44, 39, 21, 69, 43, 56
  • 'Chabazite' - 2, 25, 23, 36, 62
  • Chabazite-Ca - 43
  • Chabazite-K - 33
  • Chalcocite - 10
  • Chalcopyrite - 10, 2, 22, 24, 30, 18, 36, 20, 5, 63, 43, 52
  • 'Chalcotrichite' - 10
  • Chamosite - 2
  • 'Chiastolite' - 70
  • 'Chlorite Group' - 10, 50, 24, 30, 51, 36, 62, 28, 39, 52
  • Chondrodite - 19
  • Chrysocolla - 2, 16
  • Chrysotile - 24, 51, 47
  • 'Cleavelandite' - 10
  • Clinozoisite - 2, 16, 1, 39, 43
  • Cobaltite - 48
  • Columbite - 36
  • 'Columbite-Tantalite' - 34
  • Copper - 51
  • Cordierite - 42
  • Cuprite - 10, 51
  • 'Cyrtolite' - 10
  • 'Delessite' - 25, 62, 14
  • 'Diatomaceous Earth' - 41
  • Diopside - 64, 16, 18, 20, 1, 39, 43
  • Dolomite - 33, 24, 16, 18, 11, 39, 43
  • Epidote - 10, 2, 25, 7, 45, 51, 36, 12, 62, 63, 35, 28, 47, 21, 74, 43, 56, 52, 60, 58, 49
  • Euxenite-(Y) - 33
  • Ferrohornblende - 2, 64
  • Fluorite - 10, 18, 36
  • Forsterite - 18, 11
  • Galena - 51, 5, 68, 39, 3
  • 'Garnet Group' - 19, 42, 39, 60
  • Geikielite - 18
  • Goethite - 2, 43
  • Graphite - 62, 39
  • Grossular - 16, 40, 19, 74, 43, 52
  • Hematite - 10, 2, 7, 45, 51, 36, 41
  • 'Hessonite' - 16, 12
  • 'Heulandite' - 10, 2, 23, 52
  • 'Hornblende' - 10, 18, 36, 62
  • Iddingsite - 24
  • Illite - 50
  • Ilmenite - 2, 33, 45, 36, 62
  • Kamphaugite-(Y) - 2
  • 'Labradorite' - 62
  • Laumontite - 10, 2, 25, 62
  • Leucoxene - 62
  • Limonite - 10, 36, 19, 5, 31, 41, 43
  • Magnesite - 18, 19
  • Magnetite - 10, 2, 33, 64, 51, 36, 62, 66, 6, 65, 28
  • Malachite - 10, 2, 51, 43, 52
  • 'Manganese Dendrites' - 69
  • Marcasite - 33, 22
  • Microcline - 10, 2, 36, 62, 66, 35, 6, 65, 28, 21
  • 'Milky Quartz' - 10
  • Molybdenite - 10, 36
  • 'Monazite' - 4
  • Monazite-(Ce) - 33
  • Montmorillonite - 2
  • 'Moonstone' - 66
  • Muscovite - 2, 36, 35, 42, 28, 39, 57, 60
  • Natrolite - 2
  • Nepheline - 64
  • 'Oligoclase' - 64, 28
  • 'Olivine' - 62
  • 'Opal-AN' - 10, 2, 7, 45, 36, 68, 43
  • 'Orangite' - 10
  • Orthoclase - 10, 2
  • Pargasite - 18, 11
  • Pentlandite - 22
  • 'Pericline' - 2
  • Phlogopite - 11
  • Pickeringite - 2
  • Piemontite - 51
  • Pleonaste - 19
  • Polydymite - 22
  • Prehnite - 10, 2, 25, 45, 30, 51, 23, 62, 68, 21, 8, 49
  • 'Pumpellyite' - 33, 44
  • Pyrite - 10, 2, 50, 33, 24, 64, 45, 51, 18, 36, 62, 44, 73, 39, 3, 43, 52
  • Pyrolusite - 36, 5
  • 'Pyroxene Group' - 2, 12
  • Pyrrhotite - 2, 22, 18
  • Quartz - 10, 2, 50, 33, 7, 30, 29, 51, 18, 23, 36, 62, 35, 28, 39, 69, 57, 38, 3, 43, 56, 52, 60
  • 'Rock Crystal' - 10, 51
  • 'Rose Quartz' - 19
  • Rutile - 33, 30, 29, 18, 36, 35, 28
  • 'Scapolite' - 33, 16, 18, 11, 20, 44, 1, 39, 43
  • Scheelite - 18
  • Schorl - 33, 21
  • 'Serpentine Group' - 18, 19, 63
  • 'Sheridanite' - 23
  • Siderite - 33, 7, 45, 51, 44, 69
  • Sillimanite - 72, 39
  • Silver - 5
  • 'Smoky Quartz' - 33, 65, 1
  • 'Soapstone' - 23, 26
  • 'Specularite' - 41
  • Sphalerite - 10, 2, 30
  • Spinel - 18, 11, 1, 39
  • 'Steatite' - 26
  • 'Stilbite' - 10, 2, 25, 23, 36, 62, 43
  • Stilbite-Ca - 52
  • Stilpnomelane - 10, 62
  • Sulphur - 5
  • Talc - 51, 23, 26
  • Thorite - 10
  • 'Titanian Augite' - 24
  • Titanite - 10, 2, 30, 16, 18, 36, 11, 35, 39, 43, 56, 52
  • 'Tourmaline' - 10, 16, 36
  • Tremolite - 10, 2, 33, 18, 49
  • Uralite - 62
  • Violarite - 22
  • Vivianite - 31
  • Xenotime-(Y) - 33
  • Zircon - 10, 50, 28


    • 152 minerals listed.

    Locality Key
    1Acton, Middlesex Co., Massachusetts, USA
    2Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex Co., Massachusetts, USA
    3Aggregate Industries Quarry (San-Val Quarry), Littleton, Middlesex Co., Massachusetts, USA
    4Ayer, Middlesex Co., Massachusetts, USA
    5Badger Farm locality, Framingham, Middlesex Co., Massachusetts, USA
    6Barker Hill quarry, Townsend, Middlesex Co., Massachusetts, USA
    7Bear Hill (Massachusetts Broken Stone Co. Quarry), Waltham, Middlesex Co., Massachusetts, USA
    8Belmont, Middlesex Co., Massachusetts, USA
    9Billerica, Middlesex Co., Massachusetts, USA
    10Blueberry Mountain Quarry, Woburn, Middlesex Co., Massachusetts, USA
    11Boxborough, Middlesex Co., Massachusetts, USA
    12Bull Meadow Hill, Lexington, Middlesex Co., Massachusetts, USA
    13Burlington, Middlesex Co., Massachusetts, USA
    14Cambridge, Middlesex Co., Massachusetts, USA
    15Carlisle Copper Mine, Carlisle, Middlesex Co., Massachusetts, USA
    16Carlisle, Middlesex Co., Massachusetts, USA
    17Chelmsford granite quarry (Fletcher Quarry), Westford, Middlesex Co., Massachusetts, USA
    18Chelmsford lime quarries, Chelmsford, Middlesex Co., Massachusetts, USA
    19Chelmsford, Middlesex Co., Massachusetts, USA
    20Concord, Middlesex Co., Massachusetts, USA
    21Condon Quarry, Dracut, Middlesex Co., Massachusetts, USA
    22Dracut Nickel Mine (Nickel Mine Hill), Dracut, Middlesex Co., Massachusetts, USA
    23Dracut, Middlesex Co., Massachusetts, USA
    24Framingham, Middlesex Co., Massachusetts, USA
    25Granite Street Quarry (Milk Row Quarry), Somerville, Middlesex Co., Massachusetts, USA
    26Groton Soapstone quarry, Groton, Middlesex Co., Massachusetts, USA
    27Groton, Middlesex Co., Massachusetts, USA
    28Harris Quarry, Acton, Middlesex Co., Massachusetts, USA
    29Heath St. quarry, Somerville, Middlesex Co., Massachusetts, USA
    30Holland Street Quarry, Somerville, Middlesex Co., Massachusetts, USA
    31Hopkinton, Middlesex Co., Massachusetts, USA
    32Hudson, Middlesex Co., Massachusetts, USA
    33I-290/I-495 interchange road cuts, Marlborough, Middlesex Co., Massachusetts, USA
    34I-93 road cut, Wilmington, Middlesex Co., Massachusetts, USA
    35Indian Head Hill, Marlborough, Middlesex Co., Massachusetts, USA
    36Jursek's Crushstone Quarry, Holliston, Middlesex Co., Massachusetts, USA
    37Keating Quarry, Dracut, Middlesex Co., Massachusetts, USA
    38Lexington, Middlesex Co., Massachusetts, USA
    39Littleton, Middlesex Co., Massachusetts, USA
    40Livermore Farm quarry, Boxborough, Middlesex Co., Massachusetts, USA
    41Malden, Middlesex Co., Massachusetts, USA
    42Maple St. locality, Marlborough, Middlesex Co., Massachusetts, USA
    43Marlborough Junction locality, Marlborough, Middlesex Co., Massachusetts, USA
    44Marlborough, Middlesex Co., Massachusetts, USA
    45Massachusetts Broken Stone Co. quarries, Weston, Middlesex Co., Massachusetts, USA
    46McCarthy Quarry, Acton, Middlesex Co., Massachusetts, USA
    47Medford, Middlesex Co., Massachusetts, USA
    48Middlesex Co., Massachusetts, USA
    49Mill Street locality, Burlington, Middlesex Co., Massachusetts, USA
    50Mystic River Quarries (Mystic Quarries), Somerville, Middlesex Co., Massachusetts, USA
    51Newton, Middlesex Co., Massachusetts, USA
    52North Woburn, Woburn, Middlesex Co., Massachusetts, USA
    53Oak Hill, Westford, Middlesex Co., Massachusetts, USA
    54Pine Hill quarries (Medford quarries), Medford, Middlesex Co., Massachusetts, USA
    55Rafferty Quarry, Groton, Middlesex Co., Massachusetts, USA
    56Reading, Middlesex Co., Massachusetts, USA
    57Route 3/62 interchange, Bedford, Middlesex Co., Massachusetts, USA
    58Rte. 28/128 road cuts, Reading, Middlesex Co., Massachusetts, USA
    59Rte. 93/128 road cuts, Reading, Middlesex Co., Massachusetts, USA
    60Shaker Quarry, Groton, Middlesex Co., Massachusetts, USA
    61Silver mine, Medford, Middlesex Co., Massachusetts, USA
    62Somerville, Middlesex Co., Massachusetts, USA
    63Stoneham, Middlesex Co., Massachusetts, USA
    64Stow, Middlesex Co., Massachusetts, USA
    65Townsend Quarry, Townsend, Middlesex Co., Massachusetts, USA
    66Townsend, Middlesex Co., Massachusetts, USA
    67Two Penny Brook Quarry, Somerville, Middlesex Co., Massachusetts, USA
    68Waltham, Middlesex Co., Massachusetts, USA
    69Wayland, Middlesex Co., Massachusetts, USA
    70Westford, Middlesex Co., Massachusetts, USA
    71Wilmington, Middlesex Co., Massachusetts, USA
    72Winchester, Middlesex Co., Massachusetts, USA
    73Winter Hill quarry, Somerville, Middlesex Co., Massachusetts, USA
    74Woburn, Middlesex Co., Massachusetts, 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!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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: 20th Nov 2009 18:53:05