This mineral is used to treat streams affected by acid mine drainage, and can be pulverized for use as mine safety dust, which is sprayed on walls to reduce the amount of coal dust in the air.
This mineral is used to treat streams affected by acid mine drainage, and can be pulverized for use as mine safety dust, which is sprayed on walls to reduce the amount of coal dust in the air. When found in (*) crystalline form, it has a perfect rhombohedral cleavage, and leaves a white streak when rubbed on a streak plate. A primary component of limestone and marble, identify this mineral rated as 3 on the Mohs scale.
This mineral is used to treat streams affected by acid mine drainage, and can be pulverized for use as mine safety dust, which is sprayed on walls to reduce the amount of coal dust in the air.
calcite or calcium carbonate or CaCO3 (accept limestone before *)