STUNNING APOPHYLITE CRYSTAL INSIDE A BLUE QUARTZ CALDEDONIA. GIANT CRYSTAL OF VARIOUS SHADES WITH EXTERNAL TWIN. PIECE OF PRIVATE COLLECTION THAT WE HAVE NOW FOR SALE.
Apophyllite is the name given to three minerals: fluorapophyllite, fluorapophyllite, hydroxyapophyllite.
It comes from the Greek apophyllizein, a reference to the tendency to flake when heated, due to loss of water.