Down to Earth All Natural Greenstone Metabasalt, 5 lb Mineral Elements Iron, Calcium, Magnesium for Organic Garden Soil

Features

• Greenstone Metabasalt originates from basalt subjected to great heat and pressure over millions of years
• Naturally green color distinguishes it from unaltered basalts and comes from the presence of various minerals that were formed by these metamorphic forces
• Excellent source of the valuable plant nutrients calcium, magnesium and iron
• Can be used for fortifying garden soils with these important mineral elements
• Ideal for direct application to soils or combining with other natural fertilizers, composts and soil amendments