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Mineral Cabinet
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Smectite Fe4[(OH)4|Al0.66Si7.34O20] |
Na0.66 · n H2O nontronite from the Roter Bär Mine, St. Andreasberg, Hartz Mountains, Germany |
| Last modified 2026-08-09 MZ |
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Mineral Cabinet
|
|
|
|
|
Smectite Fe4[(OH)4|Al0.66Si7.34O20] |
Na0.66 · n H2O nontronite from the Roter Bär Mine, St. Andreasberg, Hartz Mountains, Germany |
| Last modified 2026-08-09 MZ |
|