Mineral list contains contents from all localities listed at bottom of page

Mineral List:

	Actinolite

	Aegirine

	Albite

	var: Andesine

	var: Cleavelandite

	var: Oligoclase

	var: Pericline

	'Albite-Anorthite Series'

	'Allanite'

	Allanite-(Ce)

	Almandine

	'Amphibole Group'

	var: Uralite

	Analcime

	Anatase

	Andalusite

	var: Chiastolite

	Andradite

	Anhydrite

	Anorthite var: Labradorite

	Antigorite var: Bowenite

	'Apatite'

	Apatite-(CaF)

	Aragonite

	Arsenopyrite

	Augite

	var: Titanian Augite

	Aurichalcite

	Autunite

	'Axinite'

	Babingtonite

	Baryte

	Beryl

	Biotite

	Bornite

	Brookite

	Brucite

	Calcite

	'Chabazite'

	Chalcocite

	Chalcopyrite

	'Chlorite Group'

	Chondrodite

	Chrysocolla

	Chrysotile

	Clinochlore

	var: Sheridanite

	Clinozoisite

	Cobaltite

	'Columbite'

	Copper

	Cordierite

	Cuprite

	var: Chalcotrichite

	'Delessite'

	'Diatomaceous Earth'

	Diopside

	Dolomite

	Epidote

	Euxenite-(Y) ?

	Ferrohornblende

	Fluorite

	Forsterite

	Galena

	'Garnet Group'

	Geikielite

	Goethite

	Graphite

	Grossular

	var: Hessonite

	Hematite

	'Heulandite'

	'Hornblende'

	'Iddingsite'

	Illite

	Ilmenite

	Kamphaugite-(Y)

	Laumontite

	Leucoxene

	Limonite

	Magnesiohornblende

	Magnesite

	Magnetite

	Malachite

	'Manganese Oxides var: Manganese Dendrites'

	Marcasite

	'Marialite-Meionite Series'

	Microcline

	var: Amazonite

	Molybdenite

	'Monazite'

	Monazite-(Ce)

	Montmorillonite

	'Moonstone'

	Muscovite

	Natrolite

	Nepheline

	'Olivine'

	Opal var: Opal-AN

	Orthoclase

	var: Adularia

	Pargasite

	Pentlandite

	Phlogopite

	Pickeringite

	Piemontite

	Pleonaste

	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

	Scheelite

	Schorl

	'Serpentine Group'

	Siderite

	Sillimanite

	Silver ?

	'Soapstone'

	Sphalerite

	Spinel

	'Stilbite'

	Stilpnomelane

	Sulphur ?

	Talc

	var: Steatite

	Thorite

	var: Orangite

	Titanite

	'Tourmaline Group'

	Tremolite

	Violarite

	Vivianite ?

	Xenotime-(Y)

	Zircon

	var: Cyrtolite

146 entries listed. 93 valid minerals.

Localities in this Region:


USA
Massachusetts Middlesex Co. Acton
Harris Quarry
Ashland Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry)
Ayer
Bedford Route 3/62 interchange
Belmont
Boxborough
Livermore Farm quarry
Cambridge
Carlisle
Chelmsford
Chelmsford lime quarries
Concord
Dracut
Condon Quarry
Nickel Mine Hill (Dracut Nickel Mine)
Framingham
Badger Farm locality
Groton Soapstone quarry
Holliston Jursek's Crushstone Quarry
Hopkinton
Lexington
Bull Meadow Hill
Littleton
San-Val Quarry
Malden
Marlborough
I-290/I-495 interchange road cut
Indian Head Hill
Maple St. locality

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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Middlesex Co., Massachusetts, USA