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 Marigold. The desert marigolds belong to the aster family and are commonly found in the south western parts of the US and in Mexico. They are annual and short lived perennial plants which grow between 10 and 30 inches and have very hairy leaves.. The desert marigolds belong to the aster family and are commonly found in the south western parts of the US and in Mexico. They are annual and short lived perennial plants which grow between 10 and 30 inches and have very hairy leaves.
Kalahari Desert Plants. Because the Kalahari Desert is not technically a desert, there are almost 500 species of vegetation that thrive during the rainy season. Because the soil and sand of the Kalahari retains water better than normal desert sand, the plant life is thriving in some parts. The northern part of the desert is characterized by more dense vegetation while the southern part of the desert is more arid in nature.