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, ZrSiO4, the principal ore, is pure ZrO2 in crystalline form having a hafnium content of about 1%. Zirconium also occurs in some 30 other recognized mineral species. Zirconium is produced commercially by reduction of chloride with magnesium (the Kroll Process), and by other methods.