Giallo di Siena

Giallo di Siena (or Siena Yellow) is a prestigious Italian metamorphic rock quarried in the Montagnola Senese region of Tuscany. It is characterized by its intense yellow to golden-ochre background, often featuring deep reddish patches, greyish veins, and white/ivory brecciated patterns.
Chemical composition: CaCO3
Hardness: 3 – 4
Density: 2,65 g/cm³
Family: Marbles
Origin: Italy

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