- Pearceite With Argentite (Acanthite)
- Seikoshi Mine, Toi-cho, Shizuoka Prefecture, Honshu Island, Japan
- Thumbnail, 1.25 x 0.75 x 0.75 cm
- Ex. Rock Currier
Nice thumbnail of intersecting silver-gray, metallic, platy crystals of pearceite accented by <0.5mm, gray, metallic, cubo-octahedral crystals of argentite (acanthite) from a unique locality. Mineralogical Research Company and two other labels accompany the piece.