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Middlesex Co., Massachusetts, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 42° North , 71° West (est.)
Margin of Error:~22km


No description has been added for this locality. Can you add one?

Mineral List

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

Actinolite

'Actinolite-Tremolite Series'

Aegirine

Albite

var: Andesine

var: Cleavelandite

var: Oligoclase

var: Oligoclase-Albite

var: Pericline

'Albite-Anorthite Series'

Allanite-(Ce)

'Allanite Group'

Almandine

'Almandine-Spessartine Series'

'Amphibole Supergroup'

'var: Uralite'

Analcime

Anatase

Andalusite

var: Chiastolite

Andradite

'Andradite-Grossular Series'

Anhydrite

Anorthite

var: Labradorite

Antigorite

var: Bowenite

'Apatite'

Aragonite

Arsenopyrite

Augite

var: Titanian Augite

Aurichalcite

Autunite

Axinite-(Fe)

'Axinite Group'

Azurite

Babingtonite

Baryte

Beryl

'Biotite'

Bornite

Brookite

Brucite

Calcite

'Chabazite'

'var: Phacolite'

Chabazite-Ca

Chabazite-K

Chalcocite

Chalcopyrite

Chamosite

'Chlorite Group'

Chondrodite

Chrysocolla

Chrysotile

Clinochlore

var: Delessite

var: Sheridanite

Clinozoisite

Cobaltite

'Columbite'

'Columbite-(Fe)-Columbite-(Mn) Series'

'Columbite-Tantalite'

Copper

Cordierite

Cuprite

var: Chalcotrichite

'Cyrtolite'

Diopside

Dolomite

var: Ferroan Dolomite

Epidote

Ferro-hornblende

'Ferro-kaersutite'

Fluorapatite

Fluorite

Forsterite

Galena

'Garnet'

Geikielite

Goethite

Graphite

Grossular

var: Hessonite

Gypsum

Hematite

var: Specularite

'Heulandite'

'Hornblende'

'Iddingsite'

Ilmenite

Kaersutite

Kamphaugite-(Y)

'K Feldspar'

'var: Adularia'

Kyanite

Laumontite

Leucoxene

'Limonite'

Magnesite

Magnetite

Malachite

'Manganese Oxides'

'var: Manganese Dendrites'

Marcasite

Meionite

Melanterite

Microcline

Millerite

Molybdenite

'Monazite'

Monazite-(Ce)

Montmorillonite

Muscovite

var: Fuchsite

var: Illite

var: Sericite

Natrolite

Nepheline

'Olivine'

Opal

var: Opal-AN

Orthoclase

Pargasite

Pentlandite

Phlogopite

Pickeringite

Piemontite

Polydymite

Prehnite

'Pumpellyite'

Pyrite

Pyrolusite

'Pyroxene Group'

Pyrrhotite

Quartz

var: Amethyst

var: Blue Quartz

var: Milky Quartz

var: Rock Crystal

var: Rose Quartz

var: Smoky Quartz

Rutile

Saponite

var: Bowlingite

'Scapolite'

'Scapolite Group'

Scheelite

var: Molybdoscheelite

Schorl

'Serpentine Subgroup'

Siderite

Sillimanite

'Smectite Group'

'Soapstone'

Spessartine

Sphalerite

Spinel

var: Pleonaste

Stellerite

'Stilbite'

Stilbite-Ca

Stilpnomelane

Talc

var: Steatite

Thorite

var: Orangite

'Thorogummite'

Titanite

'Tourmaline'

Tremolite

Uraninite

'Uvite'

Vesuvianite

Violarite

Wollastonite

Xenotime-(Y)

Zircon


109 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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


Localities in this Region


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.
Mineral and/or Locality  
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