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

Brox Quarry, Dracut, Middlesex County, Massachusetts, USAi
Regional Level Types
Brox QuarryQuarry (Active)
DracutTown
Middlesex CountyCounty
MassachusettsState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
01127090017272308255043.jpg
Anatase

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
02883820017272308252952.jpg
Prehnite

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
01158910017272308261353.jpg
Prehnite

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
01127090017272308255043.jpg
Anatase

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
02883820017272308252952.jpg
Prehnite

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
05408260017272050133850.jpg
Prehnite

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
01127090017272308255043.jpg
Anatase

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
02883820017272308252952.jpg
Prehnite

Brox Quarry, Dracut, Middlesex County, Massachusetts, USA
Latitude & Longitude (WGS84):
42° 40' 19'' North , 71° 14' 41'' West
Latitude & Longitude (decimal):
42.67212,-71.24486
GeoHash:
G#: drt6fb1p4
GRN:
N29W38
Type:
Quarry (Active) - last checked 2019
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Dracut28,831 (2017)4.7km
Tewksbury29,326 (2017)6.9km
Lowell110,699 (2017)7.2km
Methuen47,255 (2017)7.5km
Lawrence80,231 (2017)7.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Nashoba Valley Mineralogical SocietyWestford, Massachusetts19km
North Shore Rock & Mineral Club of MassachusettsSouth Hamilton, Massachusetts31km
Boston Mineral Club, Inc.Boston, Massachusetts38km
Mindat Locality ID:
225804
Long-form identifier:
mindat:1:2:225804:4
GUID (UUID V4):
0


Crushed stone quarry opened ca. 1950. Operated by Brox Industries, Inc.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

ⓘ Anatase
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Quartz
Formula: SiO2

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ PrehniteCa2Al2Si3O10(OH)2
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnataseTiO2
Oⓘ CalciteCaCO3
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
NaSodium
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
AlAluminium
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
KPotassium
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ PrehniteCa2Al2Si3O10(OH)2
TiTitanium
Tiⓘ AnataseTiO2

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.
Quick NavTopMineral ListOther Regions
 
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 05:41:17 Page updated: August 12, 2025 16:30:12
Go to top of page