Dioptase
XX up to 1.2cm on matrix
6.5x5cm
Altyn-Tyube deposit, Kirghiz Steppes (Asiatic Steppes), Karaganda prov. Kazakhstan
Specimen n.672

Another photo: bigger view
Another photo: detail of bigger X

Fluorite
Beautiful single X, edge up to 4cm (the X is 6cm tall) on quartz in biterminated XX up to 6,8cm long. From the Greisen tungsten-molybdenum deposit in Kazakhstan
11x9cm
Kara-Oba W deposit, Betpakdala Desert, Karaganda prov. Kazakhstan
Specimen n.768

Gmelinite-Ca
Pseudomorph gmelinite, rich in Ca, after XX of "chabazite", some yellow stilbite spherules 
13x8cm
Sokolovskoe iron mine, Rudnyi Altai, Kostanay prov. Kazakhstan
Specimen n.410

Stellerite with "chabazite"
Detail of a specimen with isolated balls of bright golden-orange stellerite XX (up to 1.5cm wide) on white matrix; same isolated aggregate of pink "chabazite" XX
12x7cm
Sokolovskoe iron mine, Rudnyi Altai, Kostanay prov. Kazakhstan
Specimen n.356

Another photo: entire piece