Tetrahedrite
Some XX, edge up to 0.8cm, corroded, with pyrite in small XX
7x7cm
Gavorrano mine, Gavorrano, Grosseto. Italy
Specimen n.209

Another photo: bigger view

Pyrite
Cubic XX, with octahedron faces, edge up to 2.8 cm
8.5x9cm
Gavorrano mine, Gavorrano, Grosseto. Italy
Specimen n.1407

Calcite
Group of balls, up to 4cm wide from an unusual location. There are calcite balls also on the back, as you can see from the other photo. Calcite is partly covered by small dolomite brilliant XX 
10.5x7.5cm
Ribolla, Roccastrada, Grosseto. Italy
Specimen n.736

2nd photo
3rd photo: back of piece

Calcite
From the same finding of above n.736 specimen: rounded formation, up to 1.5cm wide, resembling the Stilbite bowl formation. The balls sit on a 1st generation calcite XX carpet
9.5x7cm
Ribolla, Roccastrada, Grosseto. Italy
Specimen n.734

2nd photo: bigger view

Fluorite
Cubic XX up to 0.5cm, dark gray, with some phantoms, on a carbonatic matrix. Probably it comes from the antimony ore deposit from  the "Fosso la Fuliggine" mine near Catabbio
12x14cm
Semproniano, Grosseto. Toscana. Italy
Specimen n.102

Gypsum
Floating prismatic elongated X, transparent, yellowish for clay inclusion
30.5x6.5cm
Roccastrada, Grosseto. Italy
Specimen n.156

Kleberlsbergite
Thin XX of klebelsbergite in a cavity of stibnite, 2x0.3 cm wide
2.7x1cm
Pereta mine, Grosseto. Italy
Specimen n.476

Another photo: bigger view

Metastibnite
Red encrusting on stibnite XX, with other antimony oxides in yellow masses (stibiconite?).  Some stibnite  XX are completely replaced: it is possible to see the  empty cavity in the inner part of the former stibnite XX. It is a typical sample from this locality
7.5x7cm
Pereta mine, Grosseto. Italy
Specimen n.93

Minyulite
Pale green rounded formation, on quartz
5.5x6cm
Pereta mine, Grosseto. Italy
Specimen n.236

Stibnite
Thin needles, up to 2cm long, in calcite. It comes from an old open-pit antimony (with stibnite often immersed in calcite vein), 2km far from the more famous Tafone mine
10x5.5cm
Montauto, Manciano, Grosseto. Italy
Specimen n.92

Stibnite
Elongated XX, the longest is 2cm tall, in dissolved  calcite
13.5x10cm
Montauto, Manciano, Grosseto. Italy
Specimen n.1213

Another photo: entire piece

Stibnite
Group of stibnite XX immersed in gray clay. The XX are up to 10 cm long and 2cm wide, unfortunately not terminated. The main X shows a fracture
11x4cm
Montauto, Manciano, Grosseto. Italy
Specimen n.92

Stibnite
Big and long X, up to 16cm long, superficially altered in stibiconite (var of romeite group)
16x7cm
Pereta mine, Scansano, Grosseto. Italy
Specimen n.1252

Valentinite
Transparent yellowish needles of valentinite, up to 0.5 long, from this abandoned Sb mine (locality Fosso del Tafone), with minerals were detected in slags of ore processing plants
16x7cm
Tafone mine, Manciano, Grosseto. Italy
Specimen n.1279

Another photo: a bigger view

Vesuvianite
Gemmy XX, up to 1cm long
7.5x8cm
Pitigiliano, Grosseto. Italy
Specimen n.1212

Another photo: a bigger view