LIVE REPORT! Munich Show 2026 - last updated 2 hours ago. Click here to watch.
Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Dalton, Berkshire County, Massachusetts, USAi
Regional Level Types
DaltonTown
Berkshire CountyCounty
MassachusettsState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
00152400017272079146869.jpg
Manganese Dendrites

Dalton, Berkshire County, Massachusetts, USA
00152400017272079146869.jpg
Manganese Dendrites

Dalton, Berkshire County, Massachusetts, USA
00152400017272079146869.jpg
Manganese Dendrites

Dalton, Berkshire County, Massachusetts, USA
Neighbouring regions:
Cheshire, Berkshire County, Massachusetts, USA
Windsor, Berkshire County, Massachusetts, USA
Hinsdale, Berkshire County, Massachusetts, USA
Lanesborough, Berkshire County, Massachusetts, USA
Pittsfield, Berkshire County, Massachusetts, USA
Washington, Berkshire County, Massachusetts, USA
Type:
Town
Largest Settlements:
PlacePopulation
Dalton7,012 (2017)
Mindat Locality ID:
52183
Long-form identifier:
mindat:1:2:52183:4
GUID (UUID V4):
0
Other Languages:
View 23 more...
French:
Dalton, Berkshire, Massachusetts, États-Unis
German:
Dalton, Berkshire County, Massachusetts, Vereinigte Staaten
Italian:
Dalton, contea di Berkshire, Massachusetts, Stati Uniti d'America
Simplified Chinese:
多爾頓, 伯克夏縣, 麻薩諸塞州, 美国
Spanish:
Dalton, Condado de Berkshire, Massachusetts, Estados Unidos
Arabic:
دالتون, مقاطعة بيركشاير, ماساتشوستس, الولايات المتحدة
Basque:
Dalton , Berkshire konderria , Massachusetts
Catalan:
Dalton, Massachusetts, Estats Units d’Amèrica
Cebuano:
Dalton, Berkshire County, Massachusetts
Chechen:
Далтон , Массачусетс, Америкин Цхьаьнатоьхна Штаташ
Dutch:
Dalton, Berkshire County, Massachusetts, Verenigde Staten
Egyptian Arabic:
دالتون, ماساتشوستس, امريكا
Farsi/Persian:
دالتون، ماساچوست, شهرستان برکشر، ماساچوست, ماساچوست, ایالات متحده آمریکا
Haitian:
Dalton, Masachosèt, Etazini
Hungarian:
Dalton, Berkshire megye, Massachusetts, Amerikai Egyesült Államok
Japanese:
ドールトン, バークシャー郡, マサチューセッツ州, アメリカ合衆国
Kazakh (Cyrillic Script):
Далтон, Массачусетс, Америка Құрама Штаттары
Kyrgyz:
Далтон, Массачусетс, Америка Кошмо Штаттары
Polish:
Dalton, Hrabstwo Berkshire, Massachusetts, Stany Zjednoczone
Portuguese:
Dalton, Condado de Berkshire, Massachusetts, Estados Unidos
South Azerbaijani:
دالتون، ماساچوست, ماساچوست ایالتی, آمریکا بیرلشمیش ایالتلری
Swedish:
Dalton, Berkshire County, Massachusetts, USA
Tatar:
Далтон , Массачусетс, Америка Кушма Штатлары
Turkish:
Dalton, Berkshire County, Massachusetts, Amerika Birleşik Devletleri
Ukrainian:
Далтон, Беркшир, Массачусетс, Сполучені Штати Америки
Urdu:
ڈالٹن، میساچوسٹس, برکسشائر کاؤنٹی، میساچوسٹس, میساچوسٹس, ریاستہائے متحدہ امریکا
Volapük:
Dalton, Massachusetts, Lamerikän
Welsh:
Dalton, Massachusetts, Unol Daleithiau America


The town of Dalton was officially incorporated in 1784.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

13 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ Anthophyllite
Formula: ◻Mg2Mg5(Si8O22)(OH)2
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Manganese Oxides'
ⓘ 'Manganese Oxides var. Manganese Dendrites'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Agate
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Talc var. Steatite
Formula: Mg3(Si4O10)(OH)2
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Agate		4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘAnthophyllite9.DD.05◻Mg2Mg5(Si8O22)(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc
var. Steatite		9.EC.05Mg3(Si4O10)(OH)2
ⓘ9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Manganese Oxides
var. Manganese Dendrites'		-
ⓘ''-
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Quartz var. AgateSiO2
Oⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ Quartz var. AgateSiO2
Siⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
SSulfur
Sⓘ PyrrhotiteFe1-xS
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyrrhotiteFe1-xS
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

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/Dalton,_Massachusetts
Wikidata ID:Q2318577
GeoNames ID:4934439

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate

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

Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
Quick NavTopMineral ListRock TypesFossilsOther DatabasesLocalities in RegionOther RegionsReferences
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, 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 and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 22, 2026 13:10:32 Page updated: October 9, 2026 15:33:02
Go to top of page