Metals Silicons Metalloids Nuggets 5 oz unusual Black Hills Gold CORE SAMPLE Home Stake mine S. Dakota $8.99 Weight : 2.96 ounces or 84 grams or 420 carats ct Size length width height dome : 48 x 47.25 x 19.25 offset Color hue : gold gray black , good lighting so will look duller without light , more gray than pics are showing Clarity Quality : not applicable Country of Origin : The memorable Homestake mine operating for over 125 years now closed near lead and deadwood South Dakota Enhancement treatment : None - natural core sliced piece Real core sample that came from the former world famous gold strike in the Deadwood area mines - A bit of history going back to the wild wild west - may contain gold , silver , platinum , palladium , rhodium , pyrite , and other trace precious metals - a few specks of goldish areas - Possibly filled with very tiny gold flakes swirling around inside this huge chunk , a few seen on the outside Use : possibly a historical history buff memorabilia collectors display item , science class school room project , maybe a way to get the metals out of this core , could hand polish and use as a paperweight : Product type : metal mineral ore - pyrite has a cubic crystal system Use : possibly a collector specimen or for some custom type jewelry or science class school room project Metals Silicons Metalloids Nuggets http://facetroughgemstones.com/gem-store/product_info.php/products_id/3384