Copper prices ease as stimulus promises fail to calm virus fears; Gold falls 1% as global stimulus hopes boost risk assets; Agri Commodities: Soybean, refined soya oil, mustard seed futures fall on soft demand; Saudis plan big oil output hike, beginning all-out price war; Opec deal falls apart as Russia resists; crude oil prices plunge 7% Coronavirus spooks commodity market: Crude oil, gold, silver, platinum tank up to 26% | News. 16 Mar, 2020, 06.08 PM. Brent oil prices crashed nearly 10 per cent during the day, while precious metals pack also nosedived. The main products derived from Mentha Oil are Mint and Menthol.Although the origin of Mentha is Live Spot Prices Mustard Oil( Arrivals: 40 Tonnes Price:8800.00)