... (gas) 1, 000276Dark stucco 15 - 25 % Oxigen (liq) 1, 2 21 Concrete20 - 30 % Plastic 1, 460Bricks red/new 10 - 15 %Quartz 1, 544Glass5 - 10 % Ruby 1, 760Silver mirror80 - 88 %Tiger eye 1, 544High ... /polished/25 - 35 %Glass 1, 51 Dark oak /polished/ 10 - 15 % Hydrogen (gas) 1, 00 014 0White paper70 - 80 %Ice 1, 309Granite 20 - 25 % Metanol 1, 329Polished marble30 - 70 % Naylon 1, 53Light stucco40 ... 1, 0002926Matte aluminum55 - 75 % Alcohol 1, 329Steel25 - 30 % Amber 1, 546INOX80 - 90 %Aquamarine 1, 577High polished copper60 - 70 % Diamond 2, 417 Latón muy pulido 70 - 75 % Emerald 1, 56Light...