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Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

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Itoigawaite : SrAl2[(OH)2|Si2O7] · H2O, Jadeite : Na(Al,Fe3+)[Si2O6]

Oyashirazu beach, Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

Azure-blue tabular anhedral crystals of itoigawaite, with white natrolite, in lavendar-colored jadeite. S336-08
0.1 cm field of view.
Excalibur Mineral specimen.
 © 2008, JGWPhoto ID: 151038    View Count: 160

Ohmilite : Sr3(Ti,Fe3+)[(O,OH)|(Si2O6)2] · 2-3H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

Aggregates of pinkish brown fibrous crystals from the type locality at Ohmi, Niigata Pref. Japan. Field of view: 2 mm. Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 53322    View Count: 547

Ohmilite : Sr3(Ti,Fe3+)[(O,OH)|(Si2O6)2] · 2-3H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

Straw-yellow sprays of ohmilite in albite. S354-17
0.2 cm area of ohmilite.
Excalibur Mineral Company specimen.
 © 2008, JGWPhoto ID: 159180    View Count: 137

Ohmilite : Sr3(Ti,Fe3+)[(O,OH)|(Si2O6)2] · 2-3H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

Tan masses with blue magnesioriebeckite specks, in albite. S344-18
0.1 cm area of ohmilite.
Alfredo Petrov specimen.
 © 2008, JGWPhoto ID: 155499    View Count: 104

Strontio-orthojoaquinite : Sr2Ba2(Na,Fe)2Ti2Si8O24(O,OH)2·H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

An exceptional 1,5 mm crystal of Strontio-orthojoaquinite from the type locality at Ohmi, Niigata prefecture, Japan, Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 55104    View Count: 460

Strontio-orthojoaquinite : Sr2Ba2(Na,Fe)2Ti2Si8O24(O,OH)2·H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

small grain 2mm in massive quartz rock.Type locality of this rare mineral.Photograph and collection jm.CLAUDE
 © jm.CLAUDEPhoto ID: 214277    View Count: 34

Strontio-orthojoaquinite : Sr2Ba2(Na,Fe)2Ti2Si8O24(O,OH)2·H2O

Ohmi, Itoigawa, Niigata Prefecture, Chubu Region, Honshu Island, Japan

dimension area mm. 2 x 2

photo and collection Luigi Chiappino
 © luigi chiappinoPhoto ID: 221910    View Count: 24
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