Group of doubly terminated crystals, one of them clearly dominant, extraordinarily flattened because the accentuated growth of two opposite faces of the rhombohedron. The specimen is absolutely clear and has, as a curiosity, some slightly curved faces. At the same time, we suspect, due the position of the small faces on the top, it is twinned.
Cavradi, Curnera Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland
Specimen size: 5.7 × 4.2 × 0.8 cm = 2.24” × 1.65” × 0.31”
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