A baluster is an upright support, often a vertical moulded shaft, square, or lathe-turned form found in stairways, parapets, and other architectural features. In furniture construction it is known as
Stone balusters in the Basilica of San Zeno, Verona (constructed 967–1398 AD)
The term derives from the swelling form of the half-open flower of Punica granatum, in Italian balaustra
Glass and stainless steel balustrades in the Daylit Gallery of the V&A Museum, London, UK
A vasiform balustrade crowns Michelangelo's Palazzo dei Conservatori on the Campidoglio, Rome
Scagliola is a type of fine plaster used in architecture and sculpture. The same term identifies the technique for producing columns, sculptures, and other architectural elements that resemble inlays
Italian scagliola top, second half of the 18th century
Scagliola in the Allen County Courthouse, Fort Wayne Indiana USA
Scagliola work at the Certosa di Padula, Italy
Scagliola in the Basilica of the Fourteen Holy Helpers near Bad Staffelstein, Germany