Growth of a rare turquoise-blue mineral named after the Czech mineralogist Zdeněk Johan. It is a lead analog of lavendulan which has been described at only 6 localities worldwide.
Growth of a rare turquoise-blue mineral named after the Czech mineralogist Zdeněk Johan. It is a lead analog of lavendulan which has been described at only 6 localities worldwide.
| Weight | 3 g |
|---|---|
| Dimensions | 20 × 15 × 11 mm |
