Locality type:

District

Classification

Species:

Laumontite

Formula:

CaAl₂Si₄O₁₂ · 4H₂O

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Laumontite data

Locality Data:

Click here to view Motojuku district, Gunma Prefecture, Japan

Data Identifiers

Mindat Occurrence Record ID:

811739

Long-form Identifier:

1:3:811739:7

GUID (UUID V4):

b0d9ec21-9110-4efd-9830-2819220bf497

References

Yotaro Seki (1973) Distribution and Modes of Occurrence of Wairakites in the Japanese Island Arc The Journal of the Geological Society of Japan 79:521-527

Reference Search (possible matching items)

	KIMBARA, KEIJI, SHIMODA, SUSUMU, SATO, OSAMU (1971) AN INTERSTRATIFIED MINERAL OF CHLORITE AND MONTMORILLONITE FROM THE GREEN TUFF IN THE YAMAKATA DISTRICT IBARAGI PREFECTURE JAPAN. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 66 (3) 99-111 doi:10.2465/ganko1941.66.99	Journal (article/letter/editorial)
	FROM THE GREEN TUFF IN THE YAMAKATA DISTRICT IBARAGI PREFECTURE JAPAN KEIJI KIMBARA, SUSUMU SHIMODA...tuff Tuff" fraction quartz X-ray heat of Prefecture. The 31A chlorite-montmorillonite mineral...widely distributed in the northeastern part of Japan. Since they are green in colour, the systems have...Sato clinoptilolite, heulandite, analcime and laumontite* are also recognized with the clay minerals. Yoshimura...associated with laumontite from the pyroclastic rocks in the Oshima-Fukushima district in Hokkaido. Shimazu
	*Mumpton, Fred A. - Ed.* (1977) Mineralogy and Geology of Natural Zeolites. Short Course Notes Vol. 4. Mineralogical Society of America**	Report (volume)
	(S4R) . Analcime .. Phi 11 ipsite Gismondine Laumontite Group 2 (S6R) Erionite . Offretite Sodal ite...FROM THE CIRCUM-PACIFIC AREA New Zealand ..... Japan . . . . . . . . . . . . . . . . Western North America...120 120 120 120 Paqs Chapter 6 (continued) Laumontite Lithology Chemistry Stabil ity Less Common Zeolites...ZEOLITES IN DEEP-SEA SEDIMENTS Analcime Harmotone . Laumontite Erionite Zeolites in Volcanic Rocks 138 138...United States and in thick marine tuffs of Italy and Japan, more than 1,000 occurrences of zeolites have been

Laumontite from Motojuku district, Gunma Prefecture, Japan

Laumontite from
Motojuku district, Gunma Prefecture, Japan