Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Chelmsford, Middlesex County, Massachusetts, USAi
Regional Level Types
ChelmsfordTown
Middlesex CountyCounty
MassachusettsState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Type:
Largest Settlements:
PlacePopulation
Chelmsford33,925 (2017)
Mindat Locality ID:
22407
Long-form identifier:
mindat:1:2:22407:4
GUID (UUID V4):
75efe91d-cf10-48ef-9858-630e5b842a6d
Other Languages:
French:
Chelmsford, comté de Middlesex, Massachusetts, États-Unis
German:
Chelmsford, Middlesex County, Massachusetts, Vereinigte Staaten
Italian:
Chelmsford, contea di Middlesex, Massachusetts, Stati Uniti d'America
Simplified Chinese:
切姆斯福德, 米德爾塞克斯縣, 麻薩諸塞州, 美国
Spanish:
Chelmsford, Condado de Middlesex, Massachusetts, Estados Unidos
Arabic:
تشيلمسفورد, مقاطعة ميدلسيكس, ماساتشوستس, الولايات المتحدة
Basque:
Chelmsford , Middlesex konderria , Massachusetts
Catalan:
Chelmsford, Comtat de Middlesex, Massachusetts, Estats Units d’Amèrica
Cebuano:
Chelmsford, Middlesex County, Massachusetts
Chechen:
Челмсфорд , Массачусетс, Америкин Цхьаьнатоьхна Штаташ
Dutch:
Chelmsford, Middlesex County, Massachusetts, Verenigde Staten
Egyptian Arabic:
تشيلمسفورد, ماساتشوستس, امريكا
Farsi/Persian:
شلمزفورد، ماساچوست, شهرستان میدلسکس، ماساچوست, ماساچوست, ایالات متحده آمریکا
Haitian:
Chelmsford, Masachosèt, Etazini
Japanese:
チェルムスフォード, ミドルセックス郡, マサチューセッツ州, アメリカ合衆国
Kazakh (Cyrillic Script):
Челмсфорд, Массачусетс, Америка Құрама Штаттары
Kyrgyz:
Челмсфорд, Массачусетс, Америка Кошмо Штаттары
Polish:
Chelmsford, Hrabstwo Middlesex, Massachusetts, Stany Zjednoczone
Portuguese:
Chelmsford , Condado de Middlesex, Massachusetts, Estados Unidos
Silesian:
Chelmsford, Massachusetts, Zjednoczůne Sztaty
Swahili:
Chelmsford, Massachusetts, Marekani
Swedish:
Chelmsford, Middlesex County, Massachusetts, USA
Tatar:
Челмсфорд , Массачусетс, Америка Кушма Штатлары
Turkish:
Chelmsford, Middlesex County, Massachusetts, Amerika Birleşik Devletleri
Ukrainian:
Челмсфорд, Міддлсекс, Массачусетс, Сполучені Штати Америки
Volapük:
Chelmsford, Massachusetts, Lamerikän
Welsh:
Chelmsford, Massachusetts, Unol Daleithiau America


Chelmsford was officially incorporated as a town in 1655.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

28 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Colour: green
Almandine
Formula: Fe2+3Al2(SiO4)3
Brookite
Formula: TiO2
Brucite
Formula: Mg(OH)2
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Chondrodite
Formula: Mg5(SiO4)2F2
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
Fluorapatite
Formula: Ca5(PO4)3F
Fluorite
Formula: CaF2
Forsterite
Formula: Mg2SiO4
'Garnet Group'
Formula: X3Z2(SiO4)3
Geikielite
Formula: MgTiO3
Grossular
Formula: Ca3Al2(SiO4)3
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Limonite'
Magnesite
Formula: MgCO3
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Monazite-(Ce)
Formula: Ce(PO4)
Colour: yellow-green, greenish brown, brown
Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Quartz var. Rose Quartz
Formula: SiO2
Rutile
Formula: TiO2
'Scapolite'
Scheelite
Formula: Ca(WO4)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Spinel
Formula: MgAl2O4
Spinel var. Pleonaste
Formula: (Mg,Fe)Al2O4
Titanite
Formula: CaTi(SiO4)O
Colour: brown
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
var. Pleonaste4.BB.05(Mg,Fe)Al2O4
Geikielite4.CB.05MgTiO3
Quartz
var. Rose Quartz
4.DA.05SiO2
4.DA.05SiO2
Rutile4.DB.05TiO2
Brookite4.DD.10TiO2
Brucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Almandine9.AD.25Fe2+3Al2(SiO4)3
Grossular9.AD.25Ca3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Chondrodite9.AF.45Mg5(SiO4)2F2
Titanite9.AG.15CaTi(SiO4)O
Diopside9.DA.15CaMgSi2O6
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Pargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified
'Limonite'-
'Scapolite'-
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Garnet Group'-X3Z2(SiO4)3
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H BruciteMg(OH)2
H MelanteriteFe2+(H2O)6SO4 · H2O
H PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AlmandineFe32+Al2(SiO4)3
O BrookiteTiO2
O BruciteMg(OH)2
O CalciteCaCO3
O ChondroditeMg5(SiO4)2F2
O DiopsideCaMgSi2O6
O DolomiteCaMg(CO3)2
O FluorapatiteCa5(PO4)3F
O ForsteriteMg2SiO4
O GeikieliteMgTiO3
O GrossularCa3Al2(SiO4)3
O MagnesiteMgCO3
O MelanteriteFe2+(H2O)6SO4 · H2O
O Monazite-(Ce)Ce(PO4)
O PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O Quartz var. Rose QuartzSiO2
O RutileTiO2
O ScheeliteCa(WO4)
O SpinelMgAl2O4
O TitaniteCaTi(SiO4)O
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O ZirconZr(SiO4)
O Spinel var. Pleonaste(Mg,Fe)Al2O4
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Garnet GroupX3Z2(SiO4)3
O Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
F ChondroditeMg5(SiO4)2F2
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Na PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg BruciteMg(OH)2
Mg ChondroditeMg5(SiO4)2F2
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Mg ForsteriteMg2SiO4
Mg GeikieliteMgTiO3
Mg MagnesiteMgCO3
Mg PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mg Spinel var. Pleonaste(Mg,Fe)Al2O4
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al GrossularCa3Al2(SiO4)3
Al PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Spinel var. Pleonaste(Mg,Fe)Al2O4
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AlmandineFe32+Al2(SiO4)3
Si ChondroditeMg5(SiO4)2F2
Si DiopsideCaMgSi2O6
Si ForsteriteMg2SiO4
Si GrossularCa3Al2(SiO4)3
Si PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si Quartz var. Rose QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si ZirconZr(SiO4)
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Garnet GroupX3Z2(SiO4)3
Si Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
P FluorapatiteCa5(PO4)3F
P Monazite-(Ce)Ce(PO4)
SSulfur
S ChalcopyriteCuFeS2
S MelanteriteFe2+(H2O)6SO4 · H2O
S PyriteFeS2
S PyrrhotiteFe1-xS
ClChlorine
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
Ca GrossularCa3Al2(SiO4)3
Ca PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Ti BrookiteTiO2
Ti GeikieliteMgTiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe AlmandineFe32+Al2(SiO4)3
Fe ChalcopyriteCuFeS2
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe Spinel var. Pleonaste(Mg,Fe)Al2O4
CuCopper
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Monazite-(Ce)Ce(PO4)
WTungsten
W ScheeliteCa(WO4)

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Chelmsford,_Massachusetts
Wikidata ID:Q2318398
GeoNames ID:4932869

Localities in this Region

Other Regions, Features and Areas that Intersect


This page 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

 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: March 19, 2024 02:13:16 Page updated: March 17, 2024 23:51:26
Go to top of page