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

Mount Mihara, Oshima Island, Oshima, Ōshima Subprefecture, Tokyo Metropolis, Japani
Regional Level Types
Mount MiharaMountain
Oshima IslandIsland
OshimaTown
Ōshima SubprefectureSubprefecture
Tokyo MetropolisPrefecture
JapanCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
34° 43' 41'' North , 139° 23' 52'' East
Latitude & Longitude (decimal):
34.72806,139.39778
GeoHash:
G#: xn5js443e
GRN:
N24E82
Type:
Mountain
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Itō71,578 (2017)39.1km
Shimoda26,704 (2017)41.8km
Miura51,483 (2017)50.0km
Atami40,687 (2017)50.9km
Tateyama50,064 (2017)51.3km
Mindat Locality ID:
48513
Long-form identifier:
mindat:1:2:48513:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Izu-Oshima; Mihara Volcano


An active volcano with fumaroles.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

ⓘ Atacamite
Formula: Cu2(OH)3Cl
ⓘ Sylvite
Formula: KCl
Description: fumarolic
ⓘ Tenorite
Formula: CuO
Description: crystals in fumaroles

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘSylvite3.AA.20KCl
ⓘAtacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
ⓘTenorite4.AB.10CuO

List of minerals for each chemical element

HHydrogen
Hⓘ AtacamiteCu2(OH)3Cl
OOxygen
Oⓘ AtacamiteCu2(OH)3Cl
Oⓘ TenoriteCuO
ClChlorine
Clⓘ AtacamiteCu2(OH)3Cl
Clⓘ SylviteKCl
KPotassium
Kⓘ SylviteKCl
CuCopper
Cuⓘ AtacamiteCu2(OH)3Cl
Cuⓘ TenoriteCuO

Other Regions, Features and Areas containing this locality

Eurasian Plate
Japan
Philippine Sea 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 3, 2026 07:44:43 Page updated: August 15, 2025 20:53:41
Go to top of page