Mt Ohsa (Ohsayama; Osayama), Ohsa-cho, Okayama prefecture, Chugoku region, Honshu Island, Japan

Rodingite (metamorphosed basic tuff) xenoliths in serpentine. A scientific monument here is dedicated to a small find of micro kosmochlor crystals, but the outcrop behind the monument has completely disappeared. Nearby are outcrops of unusually pure white jadeite (not cuttable).

Mineral List:

	Albite

	Analcime

	'Deweylite'

	Diopside

	Grossular

	Jadeite

	Kosmochlor

	Magnetite

	Natrolite

	Prehnite

	'Serpentine Group'

	Stronalsite

	Thomsonite-Ca

	Uvarovite

	Vesuvianite

	Zircon

16 entries listed. 14 valid minerals.

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