Rose Quartz: Rose quartz is one of the most desirable varieties of quartz. The pink to rose red color is completely unique, unlike any other pink mineral species. The color is caused by iron and titanium impurities. Rose quartz is known as the love stone.
The Green Stone - A massive green rock cube located in the ruins of Hattusa, capital of the Hittite empire. Probably had religious significance, may have been a gift or reparation from an Egyptian pharaoh.
The Cave of the Crystals, Naica, Mexico A thousand feet underground in a working lead and silver mine in Chihuahua, Mexico, opaque crystals of gypsum—some as large as four feet wide and 50 feet long—sprout at all angles from the volcanically heated water