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Essex Co., Massachusetts, USA

Devil's Den, Newbury, Essex Co., Massachusetts, USA

Photo: 2009 Peter Cristofono

The county of Essex County was incorporated in 1643.

Mineral List

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

Acanthite
Actinolite
Aegirine
Aegirine-augite
Aenigmatite
Albite
var: Oligoclase
'Albite-Anorthite Series'
'Allanite'
Allanite-(Ce)
Almandine
Amphibole Supergroup
var: Byssolite
var: Uralite
Analcime
Andalusite
var: Chiastolite
Andradite
Ankerite
Annite (TL)
Anorthite
var: Labradorite
Anorthoclase
Antigorite
var: Picrolite
'Apatite'
Arsenopyrite
'Asbestos'
Astrophyllite
Augite
Autunite
Azurite
Babingtonite
Baryte
Bertrandite
Beryl
'Biotite'
Bornite
Brucite
var: Nemalite
Calcite
var: Calcite Satin Spar
Cancrinite
Cassiterite
Cerussite
Chalcopyrite
'Chert'

Chevkinite-(Ce)
'Chlorite Group'
Chloritoid
Chromite
Chrysotile
Clinochlore
var: Delessite
Clinozoisite
'Coal'
'Columbite'
'Columbite-Tantalite'
Covellite
'Cryophyllite'
Danalite (TL)
Diadochite
'Diallage'
'Diatomaceous Earth'
Diopside
Dolomite
Enstatite
Epidote
Fayalite
'Fergusonite'
Fergusonite-(Y)
Ferrisicklerite
Ferro-anthophyllite
Ferro-hornblende
Ferro-katophorite ?
Fluorapatite
Fluorite
var: Yttrocerite
'Gadolinite'
Galena
var: Argentiferous Galena
'Garnet'
Gedrite
Genthelvite
Goethite
Gold
Graphite
Grossular
var: Hessonite
Grunerite
Halite
Hastingsite
var: Alkali-ferrohastingsite
Hedenbergite
Hematite

Hematite
var: Specularite
Heterosite
'Heulandite'
'Hornblende'
Hydroxylherderite
'Hypersthene'
Ilmenite
Kaolinite
'Kerolite'
'K Feldspar
var: Adularia'
Laumontite
Lepidolite
'Lepidomelane'
'Limonite'
Lizardite
Löllingite
Magnesite
Magnetite
var: Titaniferous Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'
Marcasite
Microcline
var: Amazonite
Minnesotaite
Molybdenite
'Monazite'
Muscovite
var: Sericite
Natrolite
Nepheline
'Olivine'
Opal
var: Opal-AN
Orthoclase
'Perthite'
Phenakite
Pigeonite
'Pinite'
Prehnite
'Psilomelane'
Pyrargyrite
Pyrite
Pyrrhotite
var: Nickeloan Pyrrhotite
Quartz
var: Basanite
var: Blue Quartz

Quartz
var: Chalcedony
var: Citrine
var: Jasper
var: Prase
var: Rock Crystal
var: Smoky Quartz
Rhodochrosite
Riebeckite
Riebeckite Group
var: Crocidolite
Rutile
var: Ilmenorutile
Sanidine
'Scapolite'
Schorl
'Serpentine Group'
'var: Marmolite'
'var: Retinalite'
Siderite
var: Manganoan Siderite
Sillimanite
Silver
'Soapstone'
Sodalite
Sphalerite
Spinel
Stephanite
Stibnite
Sulphur
Talc
var: Steatite
'Tantalite'
Tetrahedrite
Thorite
var: Orangite
Titanite
Tremolite
Triphylite
'Turgite'
Uranophane
Vesuvianite
'Wad'
Wollastonite
Zircon
var: Cyrtolite
Zirconolite
var: Polymignite
Zoisite

198 entries listed. 116 valid minerals. 2 type localities (valid minerals).

Localities in this Region

USA

Massachusetts
- Essex Co.

USA

Massachusetts
- Essex Co.

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.

References

- John Henry Sears (1905): The Physical Geography, Geology, Mineralogy and Paleontology of Essex County, Massachusetts. The Essex institute, 418 pp.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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