Extremely difficult to react if tin the highly stable pure form. Yields to pressure applied to correct points. The reaction is highly exothermic. The best results are obtained between the ages of 18 and 25 years. Used as a tonic for low spirits.
Specimen turns rosy tint if discovered in raw natural state.
Turns green if placed beside a better specimen. Highly explosive in inexperienced hands. Specimen must be used with great care if experiments are to succeed. It is illegal to posses more than one permanent specimen, although a certain amount of exchange is permitted.