Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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 TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced 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 QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Ballard Quarry, Worcester, Worcester County, Massachusetts, USAi
Regional Level Types
Ballard QuarryQuarry (Abandoned)
WorcesterCity
Worcester CountyCounty
MassachusettsState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
00362900017272049945168.jpg
Map Views of Ballard Granite Quarry Location, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
02395210017393200221217.jpg
Circa 1917 Photo of Ballard Quarry, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
05360080017272049955264.jpg
Chabazite

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
00362900017272049945168.jpg
Map Views of Ballard Granite Quarry Location, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
08516550017393015297177.jpg
Circa 1917 Photo of Ballard Quarry, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
05360080017272049955264.jpg
Chabazite

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
00362900017272049945168.jpg
Map Views of Ballard Granite Quarry Location, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
02395210017393200221217.jpg
Circa 1917 Photo of Ballard Quarry, Worcester MA

Ballard Quarry, Worcester, Worcester County, Massachusetts, USA
Latitude & Longitude (WGS84):
42° 14' 22'' North , 71° 46' 51'' West
Latitude & Longitude (decimal):
42.23969,-71.78108
GeoHash:
G#: drsbq9d85
GRN:
N29W38
Type:
Quarry (Abandoned) - last checked 2019
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Sunderland3,843 (2017)0.9km
Hamilton8,460 (2017)2.1km
Worcester184,815 (2017)3.1km
Millbury13,606 (2017)5.4km
Auburn16,724 (2017)6.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Worcester Mineral ClubWorcester, Massachusetts3km
Nashoba Valley Mineralogical SocietyWestford, Massachusetts47km
Mindat Locality ID:
22366
Long-form identifier:
mindat:1:2:22366:8
GUID (UUID V4):
0


Granite quarry run by John S. Ballard & Co. In 1889, the company advertised themselves as, among other things, "Proprietors of Ballard’s Stone Quarries, Ballard street, Quinsigamond". (Ballard Street is now Millbury Street)

An 1896 map shows the quarry on Ballard's farmland just southeast of the modern Holy Name Central Catholic High School, accessible from the Sagatabscot Ridge Trail.

A 1938 aerial photo shows another, perhaps more modern pit located in the area of Gibbs and Granite streets, now a composting yard, adjacent to multiple automobile scrap and recycling yards.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
ⓘ 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 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘVermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Unclassified
ⓘ'Chabazite'-
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
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ⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

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

Ballard Street Reference:
www.worcesterma.gov (n.d.) http://www.worcesterma.gov/uploads/7d/d5/7dd5bc8f5f1019c7e40a449acf33fc61/know-your-street.pdf
Sagatabscot Ridge Trail Info: https://www.massaudubon.org/get-outdoors/wildlife-sanctuaries/broad-meadow-brook/about/trails
Worcester Directory (1890)
Perry, J.H., Emerson, B.K. (1903) The Geology of Worcester, Massachusetts. Worcester Natural History Society, Worcester, Massachusetts, 166 pages.
Emerson, B.K. (1917) Geology of Massachusetts and Rhode Island. Bulletin 597. US Geological Survey doi:10.3133/b597
Quick NavTopMineral ListOther 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: September 4, 2026 07:31:15 Page updated: August 13, 2025 03:32:38
Go to top of page