Uninhabited islet in the Seto Naikai (Inland Sea) with marble and skarn (amphibolite facies).
IMPORTANT NOTE: Originally considered a co-type locality for sadanagaite or magnesiosadanagaite, but the material from here was renamed/redefined as potassic-magnesiosadanagaite. Please ignore previous references to sadanagaite or magnesiosadanagaite from this locality.
Mineral List:12 entries listed. 8 valid minerals. 1 type locality (valid mineral). 2 erroneous literature entries.
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