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Nagakura mine, Karumai, Iwate, Japani
Regional Level Types
Nagakura mineMine
Karumai- not defined -
IwatePrefecture
JapanCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 40° North , 141° East (est.)
Margin of Error:~13km
Locality type:Mine
KΓΆppen climate type:Dfb : Warm-summer humid continental climate



Oxidation zone.

Regions containing this locality

Honshu Island, Japan

Island - 1,361 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

β“˜ Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
β“˜ Nsutite
Formula: (Mn4+,Mn2+)(O,OH)2
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜'Cryptomelane'4.DK.05aK(Mn4+7Mn3+)O16
β“˜'Nsutite'4.DB.15c(Mn4+,Mn2+)(O,OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
β“˜Nsutite4.4.8.1(Mn4+,Mn2+)(O,OH)2
Group 7 - MULTIPLE OXIDES
AB8X16
β“˜Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16

List of minerals for each chemical element

HHydrogen
Hβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2
OOxygen
Oβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Oβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2
KPotassium
Kβ“˜ CryptomelaneK(Mn74+Mn3+)O16
MnManganese
Mnβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Mnβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2

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.
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