Ametrine is formed when tiny iron particles locked inside the matrix of the quartz crystals begin to oxidize at different rates. This is usually due to differences in temperature between the two different parts of the stones. As you can imagine, this is a very unique and unusual situation to occur in the natural world!
Desert: Plants Short grasses, sagebrush, creosote bushes, and cacti are just a few of the plants that can be found in the desert. Plant abundance and variety are determined by the geographic location of the desert.esert: Plants Short grasses, sagebrush, creosote bushes, and cacti are just a few of the plants that can be found in the desert. Plant abundance and variety are determined by the geographic location of the desert.
How to Grow a Snake Plant. The snake plant (Sansevieria) genus is composed of about 70 species, all native to Africa, India and Arabia. True tropicals, snake plants are winter hardy only in United States Department of Agriculture plant hardiness zones 9b through 11 and cringe at the very idea of frost.