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!
Xerophytes are plants that have adapted to live in the dry, hot conditions of the desert. These plants have a waxy outer coating to help the plant retain moisture, along with other adaption of their seeds, roots and leaves to help them thrive and retain moisture for extended periods until water is available.erophytes are plants that have adapted to live in the dry, hot conditions of the desert. These plants have a waxy outer coating to help the plant retain moisture, along with other adaption of their seeds, roots and leaves to help them thrive and retain moisture for extended periods until water is available.
Herbivores in the Desert In the desert there are many smaller animals that eat only plants. There are many species of small rodents in the desert; some of these animals are kangaroo rats and mice.