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Nagashimalite from
Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan


01915690017271925317882.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
00102550017271980748999.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
07638970017362517139064.jpg
Nagashimalite, etc.

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
06123520017271925375656.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
03031840017368656391717.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
05553540017368656404112.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
07712510017718263842990.jpg
Nagashimalite, etc.

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
01425300017368656401433.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
01915690017271925317882.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
00102550017271980748999.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
09984710017523824245755.jpg
Nagashimalite, etc.

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
06123520017271925375656.jpg
Nagashimalite

Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
Locality type:Mine
Classification
Species:Nagashimalite
Formula:Ba4(V,Ti)4B2Si8O27(O,OH)2Cl
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Rhodonite4
Quartz1
Data
Mineral Data:Click here to view Nagashimalite data
Locality Data:Click here to view Mogurazawa mine, Kiryu City, Gunma Prefecture, Japan
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:7983
Long-form Identifier:1:3:7983:9
GUID (UUID V4):0
References
Matsubara Satoshi, Kato, Akira (1980) Nagashimalite, Ba4(V3+,Ti)4[(O,OH)2|Cl|Si8B2O27], a new mineral from the Mogurazawa mine, gumma prefecture, Japan. Mineralogical Journal, 10 (3) 122-130 doi:10.2465/minerj.10.122
Nagashima, Mariko; Nishio-Hamane, Daisuke; Ohnishi, Masayuki; Miyajima, Hiroshi; Harada, Akira (2026) New epidote-supergroup minerals from the Mogurazawa mine, Gunma, Japan: akasakaite-(Ce), akasakaite-(La), vanadoakasakaite-(Ce), and vanadoakasakaite-(La). Journal of Mineralogical and Petrological Sciences, 121 (1). 250927
 
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