Full description

Large (50x45mm) cavity lined with tuffs of thomsonite crystals formed on a bed of gemmy twinned chabazite crystals.  Unusual combination specimen collected in the 1990s.

Formula - Thomsonite: NaCa₂{Al₅Si₅O₂₀} ^.6H₂O     Chabazite: Ca₂(Al₄Si₈O₂₄)^.12H₂O

Product's Features

• Dimensions 90x65x35mm
• Size Small Cabinet (S)