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!
The Barrel cactus is found in the Mojave, Sonora, and the Chihuahua deserts. These deserts are found in the land of Speedy and the Roadrunner: Baja, Arizona, California, Texas, and Central Mexico.The barrel cactus grows in the desert washes and slopes, but can also be spotted growing along canyon walls.hese deserts are found in the land of Speedy and the Roadrunner: Baja, Arizona, California, Texas, and Central Mexico. The barrel cactus grows in the desert washes and slopes, but can also be spotted growing along canyon walls.
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.