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.
Morrocan Plants & Flowers. The country of Morocco provides a variety of habitats for plant life, from the Alpine region of the lofty Atlas Mountains to the arid Sahara Desert. Its flora ranges from common weeds to endangered endemics. Some plant species bear beautiful flowers. Others, like the egusi melon, bear edible fruits.