LIVE REPORT! Munich Show 2026 - last updated 34 minutes 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

Long Mountain, Stark, Coos County, New Hampshire, USAi
Regional Level Types
Long MountainMountain
StarkTown
Coos CountyCounty
New HampshireState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
44° 40' 47'' North , 71° 22' 46'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Stark550 (2017)9.4km
Groveton1,118 (2017)13.8km
Stratford1,003 (2017)14.2km
Maidstone203 (2017)15.6km
Dummer329 (2017)16.1km
Mindat Locality ID:
16307
Long-form identifier:
mindat:1:2:16307:4
GUID (UUID V4):
0


Long Mountain is a ridge.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Fayalite-Tephroite Series'
Colour: brownish-black, black
Description: embedded in graphic granite
ⓘ 'Fayalite-Tephroite Series var. Knebelite'
Formula: from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
Colour: brownish-black, black
Description: embedded in graphic granite
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Amethyst
4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 9 - Silicates
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Fayalite-Tephroite Series'-
ⓘ'var. Knebelite'-from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4

List of minerals for each chemical element

OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Quartz var. AmethystSiO2
Oⓘ MicroclineK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ Fayalite-Tephroite Series
Oⓘ Fayalite-Tephroite Series var. Knebelitefrom (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ MicroclineK(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Quartz var. AmethystSiO2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ Fayalite-Tephroite Series
Siⓘ Fayalite-Tephroite Series var. Knebelitefrom (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
KPotassium
Kⓘ MicroclineK(AlSi3O8)
TiTitanium
Tiⓘ RutileTiO2
MnManganese
Mnⓘ Fayalite-Tephroite Series
Mnⓘ Fayalite-Tephroite Series var. Knebelitefrom (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
FeIron
Feⓘ Fayalite-Tephroite Series
Feⓘ Fayalite-Tephroite Series var. Knebelitefrom (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4

Other Databases

GeoNames ID:5088940

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.
 
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 08:29:32 Page updated: December 3, 2025 16:33:13
Go to top of page