Paulingite-Ca (Ca,K,Na,Ba,◻)10(Si,Al)42O84·34H2O Locality: Vinařice, Kladno, Central Bohemia Region, Bohemia (Böhmen;…

underthescopemineral:

Paulingite-Ca

(Ca,K,Na,Ba,◻) ₁₀(Si,Al) ₄₂O ₈₄·34H ₂O

Locality:

Vinařice, Kladno, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic 

Field of View: 6 mm

Colourless and transparent Paulingite-Ca rhombic dodecahedrons.

Collection and photo Stephan Wolfsried

Paulingite is a rare zeolite mineral that is found in vesicles in the basaltic rocks. The early formation in the crystallisation sequence and the high water content suggest that paulingite forms from relatively dilute pore fluids.