Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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

Staurolite from
Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA


01434730017339893822756.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
07090310017272012538244.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
01509630017409615574988.jpg
Staurolite

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
01953760017410470794624.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
03483110017367136642035.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
07520910017367136672635.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
01509630017409615574988.jpg
Staurolite

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
06646940017409599424552.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
01434730017339893822756.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
07090310017272012538244.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
02620690017409621807008.jpg
Staurolite

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
01953760017410470794624.jpg
Staurolite, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
Locality type:Quarry
Classification
Species:Staurolite
Formula:Fe22+Al9Si4O23(OH)
Comments:Crystals reach about 3 cm long, but typically around 1 cm.
Habit:elongated prisms, penetration twins
Colour:dark brown
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals:
Associates:Almandine
Muscovite
Associated Minerals Based on Photo Data:
Almandine33
Tourmaline3
Clinochlore2
Data
Mineral Data:Click here to view Staurolite data
Locality Data:Click here to view Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:37086
Long-form Identifier:1:3:37086:6
GUID (UUID V4):0
Nearest other occurrences of Staurolite
2.2km (1.4 miles) ⓘBerry Road kyanite locality, Roxbury, Litchfield County, Connecticut, USA
9.9km (6.1 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
10.0km (6.2 miles) ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA
10.1km (6.3 miles) ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
10.6km (6.6 miles) ⓘQuartz mine (Judd's Bridge kyanite locality), Washington, Litchfield County, Connecticut, USA
21.5km (13.4 miles) ⓘBarrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven County, Connecticut, USA
22.3km (13.8 miles) ⓘState Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
24.8km (15.4 miles) ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
25.7km (16.0 miles) ⓘCurtis prospect, Redding Glen, Redding, Fairfield County, Connecticut, USA
26.1km (16.2 miles) ⓘTwin Bridges, Easton, Fairfield County, Connecticut, USA
References
Yedlin, Leo N. (1947), Garnet at Roxbury and W. Redding, Conn. Rocks and Minerals, 22(9): 824-825.
Hiller, John. (1983), The Green's Farm Garnet Mine. Gems and Minerals: (547): 34-36.
 
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 3, 2026 12:57:58
Go to top of page