Green apophyllite Pointed

Point of Green Apophyllite and Stilbite from India
 
 Superb green crystals on Stilbite, beautiful presenton of Gemme on its matrix!
 Size: 9.5 cm by 6.5 cm by 6 cm for 540 gr
 
 Definition : Apophyllite is not a mineral species but a generic name of a group comprising three different species which form continuous series between them. They are all phyllosilicates . Apophyllites are part of Zeolites , which also includes minerals such as Calcites , Stilbites, Chalcedonies, Okenites , Gyrolites, Phrenites, Datolites, Scolecites , Heulandites , ... Theseminerals are also found in the form of Geodes .