Keywords: Chabazit 1.jpg Mineral chabazite chemical composition Ca Na<sub>2</sub> K<sub>2</sub> Mg Al<sub>2</sub>Si<sub>4</sub>O<sub>12</sub>·6H<sub>2</sub>O zeolite group from collection of National Museum Prague Czech Republic originally from Czech Republic Minerál chabazit ze sbírek Národního muzea v Praze původem z Čech own Karelj 2008-04-20 Chabazite Geological and mineralogical Exhibition NM Prague |