Apophyllite gemstone on Chalcedony XL

Apophyllite gemstone on Chalcedony.
 
 Top museum piece! The Apophyllites are crystallized in cubic like Garnet , they are arranged on a magnificent matrix of Chalcedony which forms like chalk !
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Origin: Sawda Mine, Jalgaon , India
 Size: 42cm x 22cm x 14.5cm for 7kg940
 
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 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 .