Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for 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

Sennan District, Osaka Prefecture, Japani
Regional Level Types
Sennan DistrictDistrict
Osaka PrefecturePrefecture
JapanCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Largest Settlements:
PlacePopulation
Tajiri8,943 (2017)
Mindat Locality ID:
338741
Long-form identifier:
mindat:1:2:338741:5
GUID (UUID V4):
0
Other Languages:
French:
district de Sennan, Osaka, Japon
German:
Sennan Bezirk, Präfektur Osaka, Japan
Italian:
Distretto di Sennan, prefettura di Osaka, Giappone
Russian:
Сеннан , Осака, Япония
Simplified Chinese:
泉南郡, 大阪府, 日本
Spanish:
Distrito de Sennan, Prefectura de Osaka, Japón
Arabic:
مقاطعة سينان, أوساكا, اليابان
Catalan:
Districte de Sennan, prefectura d'Osaka, Japó
Dutch:
Sennan District, Osaka, Japan
Esperanto:
Distrikto Sennan, Gubernio Osaka, Japanio
Japanese:
泉南郡, 大阪府, 日本
Korean:
센난군, 오사카부, 일본
Portuguese:
Distrito de Sennan, Osaka, Japão
Serbian:
Област Сенан, Осака, Јапан
Traditional Chinese:
泉南郡, 大阪府, 日本
Ukrainian:
Повіт Сеннан, Префектура Осака, Японія


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

5 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
'Chabazite'
'Chrome-Spinel (of Dana)'
'Clinopyroxene Subgroup'
Diopside
Formula: CaMgSi2O6
Diopside var. Chromium-bearing Diopside
Formula: Ca(Mg,Cr)Si2O6
'Feldspar Group'
'Olivine Group'
Formula: M2SiO4
'Orthopyroxene Subgroup'
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'
Formula: ADSi2O6
Sanidine
Formula: K(AlSi3O8)
Spinel
Formula: MgAl2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Diopside
var. Chromium-bearing Diopside
9.DA.15Ca(Mg,Cr)Si2O6
9.DA.15CaMgSi2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Sanidine9.FA.30K(AlSi3O8)
Unclassified
'Chabazite'-
'Feldspar Group'-
'Clinopyroxene Subgroup'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'-ADSi2O6
'Chrome-Spinel (of Dana)'-
'Orthopyroxene Subgroup'-
'Olivine Group'-M2SiO4

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
O DiopsideCaMgSi2O6
O PhlogopiteKMg3(AlSi3O10)(OH)2
O SanidineK(AlSi3O8)
O SpinelMgAl2O4
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Olivine GroupM2SiO4
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SanidineK(AlSi3O8)
Al SpinelMgAl2O4
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Si DiopsideCaMgSi2O6
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si SanidineK(AlSi3O8)
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Olivine GroupM2SiO4
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K SanidineK(AlSi3O8)
CaCalcium
Ca CalciteCaCO3
Ca Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CrChromium
Cr Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences1
Youngest Fossil Listed66.0 Ma (Late/Upper Cretaceous)
Oldest Fossil Listed72.1 Ma (Late/Upper Cretaceous)
Stratigraphic Units
UnitNo. OccurrencesAge
Izumi - Shintachi172.1 - 66 Ma (Late/Upper Cretaceous)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Mosasaurinae
subfamily
Animalia : Chordata : Reptilia : Squamata : Mosasauridae : Mosasaurinae72.1 - 66 Ma
Late/Upper Cretaceous
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Sennan_District,_Osaka
Wikidata ID:Q1205635
GeoNames ID:1852716

Localities in this Region

Other Regions, Features and Areas that Intersect

Amur PlateTectonic Plate
AsiaContinent
Eurasian Plate
Japan

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: September 5, 2026 05:29:00 Page updated: March 13, 2026 10:15:35
Go to top of page