One cup of cucumbers (with the peel) has about: 1  16 calories. 2  Zero protein, fat, fiber or sugar. 3  17 milligrams vitamin K (22 percent DV)  3 milligrams vitamin C (4 percent 1  DV) 6 milligrams magnesium (4 percent 2  DV) 152 milligrams potassium (4 percent  DV) 8 milligrams manganese (4 percent DV)
Many claim Calsilica, also known more commonly as Rainbow Calsilica, is a synthetic stone that is manufactured from a mixture of Calcite, plastic resins and artificial coloring pigments.he bands of color can come in any order and in any color. Despite possibly being a synthetic stone, Rainbow Calsilica has been increasing in demand for jewelry, especially high end items. Natural or man-made or man-enhanced, Rainbow Calsilica is one of those stones that always draws attention.
It is common in Tuscany, Umbria, Lazio, Marche. The stone can stand a pressure of 226/298 Kg/cmq, depending on its quality. The travertino of the Colosseum was quarried from Tibur (today Tivoli, a town about 20 Km from Rome); it was used for the main pillars, the ground floor and the external wall. A road was built for the transport of the stone from Tibur.