Dachiardite 2.15 ct
Trillion Cut
12.50 x 9.70 x 4.90 mm
H4-5
Alpe di Siusi,Bolzano,
Trention Alto Adige,
Italy.
y100295

is a rare zeolite minerale
(Na2,Ca,K2)4Al4Si20O48•13(H2O)