THOMSONITE-Ca from Washington State
NaCa2Al5Si5O20 . 6H2O


 
Bluish-gray THOMSONITE-Ca spheres on ANALCIME druse
Capitol Forest Quarries
 
CALCITE and THOMSONITE-Ca
Port Ludlow Area Quarry
 
Radial color-zoned THOMSONITE-Ca
Port Ludlow Area Quarry
 
THOMSONITE-Ca
Radial color-zoned and terminated

Port Ludlow Area Quarry