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Eckermannite from
Itoigawa City, Niigata Prefecture, Japan


Locality type:City
Classification
Species:Eckermannite
Formula:NaNa2(Mg4Al}Si8O22(OH)2
Comments:Need to be checked if it can be assigned to eckermannite according to the redefinition by IMA (IMA2013-136).
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Kosmochlorⓘ1 photo of Eckermannite associated with Kosmochlor at this locality.
Data
Mineral Data:Click here to view Eckermannite data
Locality Data:Click here to view Itoigawa City, Niigata Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:157644
Long-form Identifier:1:3:157644:3
GUID (UUID V4):99638dbb-dde2-4729-8d6b-4362337bf9d5
Localities for Eckermannite in this Region
Yamanobo, Itoigawa City, Niigata Prefecture, Japan
Nearest other occurrences of Eckermannite
34.1km (21.2 miles) ⓘHime River (Himekawa), Ōmi, Itoigawa City, Niigata Prefecture, Japan
45.5km (28.2 miles) ⓘYamanobo, Itoigawa City, Niigata Prefecture, Japan
References
wwwsoc.nii.ac.jp/jampeg/93-11.htm.
Reference Search (possible matching items)
Miyajima, H., Matsubara, S., Miyawaki, R., Yokoyama, K., Hirokawa, K. (2001) Rengeite, Sr4ZrTi4Si4O22, a new mineral, the Sr-Zr analogue of perrierite from the Itoigawa-Ohmi district, Niigata Prefecture, central Japan. Mineralogical Magazine, 65 (1) 111-120 doi:10.1180/002646101550163
Journal (article/letter/editorial)
of perrierite from the Itoigawa-Ohmi district, Niigata Prefecture, central Japan H. MIYAJIMA1,*, S. MATSUBARA2...HIROKAWA3 1 Fossa Magna Museum, Itoigawa, Niigata 941-0056, Japan Department of Geology, National Science...Museum, Tokyo 169-0073, Japan 3 Suihodo Co., Ltd, Ohmi, Niigata 949-0301, Japan 2 ABSTR ACT Rengeite...group found in the jades from the Itoigawa-Ohmi district, central Japan. It is monoclinic, P21/a, a = 13...jadeitite from the bed of the Kotaki-gawa river, Itoigawa City, and in a boulder of green jade from the bed
 
Mineral and/or Locality  
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