Dachiardite-Na
1.91 ct
Octagon Cut
11.40 x 6.50 x 4.30 mm
H4-5
Alpe di Siusi,Bolzano,
Trention Alto Adige,
Italy.
max2053

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