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Rhode Island, USA
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The state with the longest name! The formal name of this state is: "The State of Rhode Island and Providence Plantations". Part of the Appalachians (Boston platform). Western part of state is granitic and metamorphic rocks. Eastern portion contains Narragansett basin. State has been glaciated.

There are 5 counties in the state. The counties are further divided into 31 towns, 8 cities, and 1 undefined area (consisting of water). [Source: US Census Bureau]

There were changes to the boundary between Rhode Island and Massachusetts in 1862, and the boundary was adjusted again in 1897.

Mindat Articles

Mineralogy of Rhode Island - A Literature Review by Michael Kieron


Mineral List

Mineral list contains entries from the region specified including sub-localities
Acanthite
Actinolite
Aegirine
Albite
var: Andesine
var: Oligoclase
'Albite-Anorthite Series'
'Allanite'
Allanite-(Ce)
Almandine
'Amber'
Amphibole Supergroup
var: Uralite

Analcime
Anatase
Andradite
Anglesite
Ankerite
Anorthite
var: Labradorite

Anthophyllite
Antigorite
var: Bowenite
'Apatite'
Aragonite
Arfvedsonite
Arsenopyrite
'Asbestos'
'var: Mountain Leather'
Astrophyllite
Augite
Aurichalcite
Autunite
Axinite-(Fe)
Azurite
Babingtonite
Baryte
Bastnäsite-(Ce)
Bertrandite
Beryl
var: Aquamarine
'Biotite'
'Bitumen
var: Elaterite'

Bornite
Braunite
Brookite
Calcite
var: Ferroan Calcite
'Cat's Eye'
Cerussite
'Chabazite'
Chabazite-Ca
Chalcocite
Chalcopyrite
var: Auriferous Chalcopyrite
Chamosite
'Chert'
Chevkinite-(Ce)
'Chlorite Group'
Chloritoid
var: Masonite
Chrysocolla
'Chrysoprase'
Chrysotile
Clinochlore
var: Pennine
var: Ripidolite
Clinochrysotile
Clinozoisite
'Coal
var: Anthracite'

'Columbite'
Columbite-(Fe)
Copper
Cordierite
Covellite
Cryptomelane
Danalite
'Danalite-Genthelvite Series'
Datolite
Diopside
Dolomite
Dravite
Enstatite
Epidote
'Fayalite-Tephroite Series
var: Knebelite'

'Feldspar Group'
Ferrimolybdite
Ferro-actinolite
Ferro-hornblende
'Flint'
Fluorapatite
Fluorapophyllite-(K)
Fluorite
var: Chlorophane
Forsterite
Galena
'Garnet'
Genthelvite
'Gmelinite'
Goethite
Gold
Graphite
Greenockite
Grossular
var: Hessonite
Gypsum
Halite
Harmotome
Hematite
var: Specularite
Hemimorphite
'Heulandite'
Heulandite-Ca
'Hornblende'
Hydrocerussite
Hydromagnesite
Ilmenite
var: Washingtonite
Ilvaite
Jamesonite
Jarosite
Kaersutite
Kaolinite
'K Feldspar'
'var: Adularia'
Kyanite
Laumontite
Lepidocrocite
Lepidolite
'Leucoxene'
'Limonite'
Magnesio-hornblende
Magnesite
Magnetite
var: Titaniferous Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'

Manganite
Marcasite
Meionite
Melanterite
Microcline
var: Amazonite
Molybdenite
Molybdite
Monazite-(Ce)
Montmorillonite
'Moonstone'
Muscovite
var: Damourite
var: Illite
var: Sericite
Nacrite
Natrolite
Nontronite
'Olivine'
Opal
var: Opal-AN
Orthoclase
Ottrélite
Paragonite
Pargasite
Parisite-(Ce)
'Perthite'
Phlogopite
Phosgenite
Piemontite
Powellite
Prehnite
'Prochlorite'
Pyrite
Pyrolusite
Pyromorphite
Pyrrhotite
Quartz
var: Agate
var: Agate-Jasper
var: Amethyst
var: Basanite
Quartz
var: Bloodstone

var: Carnelian
var: Chalcedony
var: Citrine
var: Jasper
var: Milky Quartz
var: Onyx
var: Prase
var: Rock Crystal
var: Rutilated Quartz
var: Sardonyx
var: Smoky Quartz
Rhodochrosite
Rhodonite
Riebeckite
Riebeckite Root Name
var: Crocidolite

Rutile
'Scapolite'
Scheelite
Schorl
Scolecite
Sepiolite
'Serpentine Group'
Siderite
var: Sphärosiderite
Sillimanite
Silver
Smithsonite
'Soapstone'
Sphalerite
Spinel
Staurolite
'Stilbite'
Stilbite-Ca
Stolzite
Sulphur
Talc
var: Steatite
Thorianite
var: Uranothorianite
Titanite
var: Keilhauite
'Tourmaline'
Tremolite
'Turgite'
Uraninite
Vesuvianite
'Wad'
Wavellite
'Wolframite'
Wulfenite
Xenotime-(Y)
'Zinnwaldite'
Zircon
var: Cyrtolite
Zoisite
var: Thulite


283 entries listed. 149 valid minerals.

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.

References

Miller, C. E. (1971) "Rhode Island Minerals and Their Locations," University of Rhode Island, Kingston.

Rocks & Minerals (1986): 61: 252-253, 264, 268.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. 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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