Degl'Innocenti semiprecious stones, marble and onyx
MATERIALS
Malachite
Malachite is a copper carbonate hydroxide mineral,which crystallizes in the monoclinic crystal system,but forms also fibrous masses.
Lapis Lazuli
Intense blue coloured semiprecious stone,it contains lazurite,calcite and pyrite minerals.
Amethyst
Violet coloured crystalline quarz.
Rhodochrosite
Red-pinkish coloured mineral belonging to calcite group.
Tiger’s eye
Typical chatoyant stone,characterised by crociodolite occlusions.
Quartz
Stromatolite-snake’s skin
Sedimentary stone belonging to limestone group,whose formation is due to microorganism activity.
Red jasper
Quarz made sedimentary stone containing often impurities,which create intense colorations.
Porphyry
Porphyry is a variety of igneous rock composed by large crystals,dispersed in a fine grained matrix.
Old Medici breccia
French breccia
Spanish broccatello
Yellow marble from Siena
Ancient yellow marble
