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!
Most desert species have found remarkable ways to survive by evading drought. Desert succulents, such as cacti or rock plants (Lithops) for example, survive dry spells by accumulating moisture in their fleshy tissues.ost desert species have found remarkable ways to survive by evading drought. Desert succulents, such as cacti or rock plants (Lithops) for example, survive dry spells by accumulating moisture in their fleshy tissues.
Some desert plants are not as well known as cacti and succulents, but are nevertheless very common in desert environments. Many play a crucial role in the desert ecosystems. Trees such as the juniper, mesquite and palo verde provide shade for desert animals.The leaves of the creosote bush, a native desert plant, have antiseptic qualities and were used by Native American tribes in the Southwest United States.he desert can be a brutal environment for plants, animals and humans. Plants have made fascinating adaptations to the arid desert climate in order to continue thriving in its extreme conditions.