Analcime
Semi-transparent X,1.5cm wide, on a matrix covered by small XX of laumontite, calcite and quartz 
10.5x7.5cm
Osilo, Sassari. Italy
Specimen n.1060

"Chabazite"
Volcanic rock covered by small transparent XX of "chabazite". Scattered on the matrix, there are some yellowish XX of calcite up to 0.5 cm long
13x7cm
Osilo, Sassari. Italy
Specimen n.889

2nd photo

Epistilbite 
Cavity with epistilbite (the red formation) and phacolite (yellow) in XX up to 0.7cm, on white calcite. Phacolite is a variety of chabazite-ca and it is a lens-shaped variety due to twinning/multiple twinning of rhombohedrons
8x5cm
Osilo, Sassari. Italy
Specimen n.464

Another photo: entire cavity

Laumontite 
Flower of needles, 1cm wide, between two pale amethyst quartz XX; it could be also known as leonhardite, the obsolete name for partially dehydrated laumontite
5x4cm
Crastu Muradu, Osilo, Sassari.Italy
Specimen n.571

Another photo: a bigger view

Quartz var amethyst
Cross formation of two XX, up to 1,2 cm
4.5x4cm
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.480

Quartz var amethyst
Skeletal XX of quartz, up to 1,2 cm
14x9.5cm
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.603

Quartz  var amethyst
Group of  quartz XX, the biggest - 1.7 cm long - has a scepter formation
7x6cm
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.976

Quartz  var amethyst
Group of  biterminated quartz XX, 3.5 cm long
7x5.5cm
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.485

Quartz 
Pale amethist XX up to 2.4cm, skeletal, sourrounded by very small XX of laumontite on matrix. The one without tip is not broken, but with cut termination
8x6,5m
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.1067

Quartz 
Sceptered XX with smoked tips, up to 3 cm long 
8x7m
Capurru Quarry, Osilo, Sassari. Italy
Specimen n.1066

Another photo: bigger view