Facebook Marketplace is a digital platform integrated within Facebook that allows users to buy and sell items within their local communities. It's akin to a virtual flea market or classified ads section but with the added advantage of social media features. Users can browse items available for sale in their...

Solid minerals are naturally occuring substances derived from the earth which are of great value to man. They include metalic ores, fuel minerals (such as coal. uranium, signet, tar sands), industrial minerals and rocks (such as limestones, marble, etc.) and gemstones/ornamental stones.