Zoisite is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals. Its chemical formula is Ca2Al3(SiO4)(Si2O7)O(OH). Zoisite is named after the Slovene scientist Baron Sigmund Zois...
Birthstones Birthstone lists vary because some are arranged according to the zodiac and some according to calendar months. I have listed both below, however, it is always more beneficial to use a stone to...