| http://www.w3.org/ns/prov#value | - silver, copper and ??? In the mountains the ore is a by-product, in silver smelting, being obtained from argentiferous galena, while in ??? Photos of Natural Silver Ore, Silver minerals, Crystal ores ??? Of the base metal ore minerals, the most common primary ones are argentiferous galena, sphalerite ??? significant amount of both gold and copper ore as well as silver.
|
