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.
Calcite is the primary mineral in metamorphic marble. It also occurs as a vein mineral in deposits from hot springs, and it occurs in caverns as stalactites and stalagmites. Lublinite is a fibrous, efflorescent form of calcite. transparent variety called Iceland spar is used for optical purposes. Acute scalenohedral crystals are sometimes referred to as dogtooth spar while the rhombohedral form is sometimes referred to as nailhead spar. Single calcite crystals display an optical property called birefringence (double refraction).