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Middlesex Co., Massachusetts, USA

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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'
Allanite-(Ce)
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-Tantalite'
Copper
Cordierite
Cuprite
var: Chalcotrichite
'Diatomaceous Earth'
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
Molybdenite
'Monazite'
Monazite-(Ce)
Montmorillonite
Muscovite
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: Jasper
var: Milky Quartz
var: Rock Crystal
var: Rose Quartz
var: Smoky Quartz
Rutile
Saponite
var: Bowlingite

'Scapolite'
'Scapolite Group'
Scheelite
var: Molybdoscheelite
Schorl
'Serpentine Group'
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
var: Cyrtolite


186 entries listed. 103 valid minerals.

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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