15020 D23-1 Hydrobiotite, Vermiculite mine, Ono-machi, Tamura District, Fukushima Prefecture, Japan

Small, crude, subhedral crystal aggregate of hydrobiotite without matrix. Ex Andrew Hodgson Collection. Older material, purchased by Andrew from Excalibur Mineral Company in 1986. Width of view 9mm. Stack of 20 images.

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