green and black gem precious stones from illegal`s minefields in mozambique

amber amorphous apatite beautiful black city close closeup color colorful decoration deposit diamond dig digger energy environment expedition expensive exploration explore explorer fashion gem gemstone geology gift glamour green illegals investigate jem jewel jewelry luxury minefields miner mineral mining mozambique natural opal ornament pemba phosphate precious rare rock sapphire shiny silica silicate stone stones treasure unearth valuable volcanic