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.
In the Spring, Palm Desert and surrounding areas display beautiful wildflowers like Spanish Needle, Chuparosa, Arizona Lupin, Purple Mat, and Desert Dandelion, not to mention cacti like Prickly Pear and Beavertail.