Definition of COMMODITY RATE. : a common carrier rate distinguished from a class rate and applicable only to a specific commodity or group of related commodities carried between specific points or territories. ADVERTISEMENT. a common carrier rate distinguished from a class rate and applicable only to a specific commodity or group of related commodities carried between specific points or territories.
Cubic Zirconia. Cubic zirconia (CZ), a diamond simulant, is not only the oldest diamond substitute, but also the most popular. Composed of zirconium oxide (ZrO 2) the mineral is extremely rare in natural form. Discovered by German mineralogists in 1937, zirconium wasnât considered economically feasible.ubic zirconia possesses less brilliance (less sparkle), but has more fire (flashes of rainbow color.) CZ is also very hard, not quite as hard as a diamond, but like a diamond can scratch glass.
Why You Should Buy Cubic Zirconia. Why pay for a diamond when our cz cubic zirconia looks just like one! We use the finest top quality cz cubic zirconia stones. There is a secret about cubic zirconia jewelry, it should be set on gold or platinum to look its finest.Check out our cubic zirconia jewelry page and find out more about cubic zirconia jewelry in gold and platinum!e use the finest top quality cz cubic zirconia stones. There is a secret about cubic zirconia jewelry, it should be set on gold or platinum to look its finest. Check out our cubic zirconia jewelry page and find out more about cubic zirconia jewelry in gold and platinum!