Platinum, with chemical name of Pt is a rare metal, whitish in colour, long wearing, highly polish and usually is associated in jewelry as the combination of diamond and platinum rings, necklaces, pendants. When one is asked : Diamond vs Platinum, which one is more expensive ? Many will vote […]
Besides Gold, Silver is favourite among many collectors. Chemically, Silver symbol is Ag, while Gold is Au. Both of these precious metals share similiar electronic structures, they are electrical conductor, non-corrosive and easily formed. Unlike Gold , one key characteristic of Silver is that it perish and become irreplaceable during […]