Located on Kapuas Riverside of Central Kalimantan Iron Trioxide : 0.01% Aluminium Trioxide : Less than 0.01% Calcium Oxide : Less than 0.01% Magnesium Oxide : Less than 0.01% Manganese Dioxide : Less than 0.01% Chromium Trioxide : Less than 0.01% Sodium Oxide : Less than 0.01% Potassium Oxide : 0.01% Silicon Dioxide : 99.68% Titanium Dioxide : 0.04% Loss On Ignition : 0.09% Moisture Content : less than 0.01%