To provide you with additional information about how we collect and use your personal data, we’ve recently updated our Privacy Policy and Terms of Service. Please review these pages now, as they apply to your continued use of our website.
Interesting specimen of Thomsonite-Ca `balls` on basaltoid rock.`balls` on basaltoid rock from Pustý Vrch Schichenberg, Folknáře, DÄ›ÄÃn, Ústà Region, Bohemia, Czech Republic. Thomsonite mineral from Zeolite Group