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jul 20, 2015 below are a few pictures of different types of shiny rocks that have NO gold content. identifying high grade ore any type of quartz or rock that has visible gold veins in it should be considered high-grade. If you located a source of this material using a metal detector or other mining method, be sure to give it the attention that it jul 21, 2011 identifying rocks: identifying valuable rocks youtube. learn about different valuable rocks, such as gold, silver or garnets with help from a lab manager and research scientist in this free video on identifying more detailedapr 29, 2013 photos of gold ores, quartz, telluride gold ore and gold specimens this webpage is created to show what some of those ores look like. these are crystals of calaverite a gold, silver and tellurium mineral. the ore consists of conglomerate pebbles mostly of quartz, in a sandy matrix, with abundant pyrite gold does not commonly combine with other elements, but there are exceptions.