Analcime

Nakadomari city, Kita-Tsugaru county, Aomori pref., Japan

Field of view: 100 mm. Euhedral crystals of analcime. The white part is a group of trapezohedral crystals of analcime. The dark brown host is basalt.

Recovered from vesicules of a pillow lava, a basalt lava erupted under the sea.

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