Aragonite 
Needles of XX up to 3cm, in a cavity, 5.5x4.3cm wide. It is a typical to find cavities filled with aragonite in the Triassic sandstone (arenaria, from the so called "Werfen Formation") of this area
10x15 cm
Voltago Agordino, Agordo, Belluno. Italy
Specimen n.192

Calcite
Complex shaped XX, up to 2cm, on a carpet of dolomite XX. It is known with the local name of focobonite, from the locality it comes from
10x8cm
Val Focobon, Falcade, Belluno. Italy
Specimen n.165

Another photo: entire specimen

Chalcedony
Big geode of botryoidal masses of chalcedony, a microcrystalline variety of quartz, recently defined as (often) a mixture of quartz and moganite (another silica mineral). There is some green coating of celadonite. This specimen comes from the old perlite quarry
17x14cm
Torreglia, Abano Terme, Padova. Italy
Specimen n.504

Johannsenite
Mass of needles of this rare manganese mineral. In this pieces the mineral  was found immersed in calcite, removed with acid. It is commonly found in the Monte Civillina manganese deposit (old prospects)
10x7.5cm
Monte Civillina, Recoaro Terme, Vicenza. Italy
Specimen n.499

Another photo: a bigger view

Pyrite
Nodule of small pyrite XX, 4.8 x 3 cm wide, in the schist
7x7.5cm
Traforo Schio-Valdagno, Vicenza. Italy
Specimen n.847

Rodonite
Pink compact rodonite covering globes made of lamellar calcite, in a cavity 5.5x4 cm wide. Another typical sample of the Monte Civillina mg deposit
10x7.5cm
Monte Civillina, Recoaro Terme, Vicenza. Italy
Specimen n.499