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
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 ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography
Petersham, Worcester County, Massachusetts, USAi
| Regional Level Types | |
|---|---|
| Petersham | Town |
| Worcester County | County |
| Massachusetts | State |
| USA | Country |
This page is currently not sponsored.Click here to sponsor this page.
Type:
Largest Settlements:
| Place | Population |
|---|---|
| Petersham | 243(2017) |
Detailed Mineral List:
| ⓘAlbite Formula:Na(AlSi3O8) Colour: white Description: Microcrystals with titanite and calcite. References: |
| ⓘCalcite Formula:CaCO3 References: |
| ⓘ'Soapstone' |
| ⓘTalc Formula:Mg3Si4O10(OH)2 |
| ⓘTitanite Formula:CaTi(SiO4)O Habit: wedge-shaped Colour: light brown Description: Crystals to about 1 cm with albite and calcite. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Soapstone' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘTalc | Mg3Si4O10(OH)2 |
| C | Carbon | |
| C | ⓘCalcite | CaCO3 |
| O | Oxygen | |
| O | ⓘAlbite | Na(AlSi3O8) |
| O | ⓘCalcite | CaCO3 |
| O | ⓘTalc | Mg3Si4O10(OH)2 |
| O | ⓘTitanite | CaTi(SiO4)O |
| Na | Sodium | |
| Na | ⓘAlbite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘTalc | Mg3Si4O10(OH)2 |
| Al | Aluminium | |
| Al | ⓘAlbite | Na(AlSi3O8) |
| Si | Silicon | |
| Si | ⓘAlbite | Na(AlSi3O8) |
| Si | ⓘTalc | Mg3Si4O10(OH)2 |
| Si | ⓘTitanite | CaTi(SiO4)O |
| Ca | Calcium | |
| Ca | ⓘCalcite | CaCO3 |
| Ca | ⓘTitanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | ⓘTitanite | CaTi(SiO4)O |
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/Petersham,_Massachusetts |
|---|---|
| Wikidata ID: | Q2426756 |
| GeoNames ID: | 4947085 |
Localities in this Region
- Massachusetts
- Worcester County
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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.
Mindat.org is an outreach project of theHudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, 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 byJolyon Ralph.
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/vulnerabilityCurrent server date and time: November 28, 2025 05:22:25 Page updated: August 1, 2025 07:46:29
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, 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 byJolyon Ralph.
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/vulnerabilityCurrent server date and time: November 28, 2025 05:22:25 Page updated: August 1, 2025 07:46:29