How it works/Example: Systematic risk is comprised of the âunknown unknownsâ that occur as a result of everyday life. It can only be avoided by staying away from all risky investments. Systematic risk can also be thought of as the opportunity cost of putting money at risk. For example, Option A is an investment of $100 in a risk-free, FDIC-insured Certificate of Deposit.
Zircon Gemstone. Properties-Zircon occurs in a tetragonal crystal structure with a hardness of about 7.5 Mohs .the name of Zircon was given by Persian which means Gold stone.he blue zircon is most popular gemstone in all the colours of zircon. Zircon will also lose its burnish before a thunder-storm. It is mainly used in decorative ceramic industries. It is a principal precursor of zirconium and all its compounds including zirconium oxide.
Zircon may be whitish, yellow, greenish, or violet-blue under X-rays. 1  Red to orange red: inert to strong, yellow to orange (SW). 2  Yellow to orangish yellow: inert to moderate yellow to orange (LW and SW). 3  Green: usually inert.  Blue: inert to moderate, light blue 1  (LW). Brown: inert to very weak red  (SW).