Nov 9, 2020
Henmilite on Calcite Fuka mine, Bitchu cho, Okayama Prefecture, Honshu Island, Japan
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Henmilite on Calcite Fuka mine, Bitchu cho, Okayama Prefecture, Honshu Island, Japan
Henmilite
Henmilite, Olshanskyite
Ca2Cu[B(OH)4]2(OH)4, Ca2[B3O3(OH)6]OH·3H2O
Locality:
Fuka mine, Fuka, Bicchu-cho (Bitchu-cho), Takahashi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Field of View: 3.9 mm
Douglas Merson's Photo
Henmilite is a rare mineral that can be found only at its type locality at the Fuka mine in Okayama on Honshu Island, Japan. It occurs there in cavities in borate veins that are within a contact-metasomatized limestone.
Olshanskyite found in magnesian skarn (Titovskoye deposit, Russia); formed by alteration of nifontovite and some other anhydrous borate, near gehlenite-spurrite skarn (Fuka, Japan).
【Henmilite / Japan】
逸見石
岡山県
22*14*10mm
Henmilite
Henmilite; Fuka Mine, Honshu Island, Japan
Henmilite
Fuka Mine, Bicchu town, Kawakama County, Okayama prefecture, Japan.
Henmilite on Calcite - Japan