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Worcester Co., Massachusetts, USA

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Worcester County was established in 1731.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Actinolite
Albite
var: Andesine
var: Oligoclase
var: Pericline
'Albite-Anorthite Series'
'Allanite'
Allanite-(Ce)
Almandine
'Almandine-Spessartine Series'
Amphibole Supergroup
var: Uralite
Andalusite
var: Chiastolite
Anglesite
Ankerite
'Anorthoclase'
Antigorite
'Apatite'
'Apophyllite'
Arsenopyrite
Augite
Autunite
Azurite
Babingtonite
Bertrandite
Beryl
var: Aquamarine
var: Goshenite
var: Heliodor
'Biotite'
'Brodrickite'
Calcite
Cassiterite
'Chabazite'
Chalcopyrite
Chamosite
Chevkinite-(Ce)
'Chlorite Group'
Chondrodite
Chromite
Clinohumite
Clinozoisite
'Columbite'
Cordierite
Diopside
Dolomite
Enstatite
Epidote
'Feldspar Group'
Fluorapatite
Fluorite
Forsterite
Galena
var: Argentiferous Galena
'Garnet'
Goethite
Graphite
Grossular
var: Hessonite
Gypsum
var: Selenite
Hematite
var: Specularite
'Heulandite'
'Hornblende'
Ilmenite
var: Manaccanite
Kaolinite
'K Feldspar
var: Adularia'

Kyanite
Laumontite
'Lechatelierite
var: Fulgurite'

'Leucoxene'
'Limonite'
Magnesio-hornblende
Magnesite
Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'

Marcasite
Margarite
Marialite
Meionite
var: Nuttallite
Melanterite
Meta-autunite
Microcline
Molybdenite
Montebrasite
Muscovite
var: Fuchsite
var: Sericite
'Oligoclase-Andesine'
'Olivine'
Opal
var: Opal-AN

Orthoclase
Ottrélite
Pargasite
'Perthite'
Petalite
Phlogopite
Pickeringite
Pollucite
Prehnite
'Prochlorite'
'Pumpellyite'
Pyrite
Pyrrhotite
Quartz
var: Amethyst
var: Milky Quartz
var: Rose Quartz
var: Smoky Quartz
Rockbridgeite
Rutile
'Scapolite'
'var: Wernerite'
Scheelite
Schorl
'Serpentine Group'
Siderite
Sillimanite
'Soapstone'
Sphalerite
Spinel
Spodumene
Staurolite
Stellerite
'Stilbite'
Talc
var: Steatite
Thomsonite-Ca
Titanite
Topaz
'Tourmaline'
Tremolite
Triphylite
Uraninite
Vermiculite (TL)
Vesuvianite
Zircon
Zoisite


156 entries listed. 90 valid minerals. 1 type locality (valid mineral).

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.
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