The principal apatite crystal margins present a microcrystalline envelope characteristic of coated grains. The envelope may extend in direction of the centre from the grain ... [Clearly show total summary] finally forming a completely microcrystalline apatite physique out with the Original coated grain, thus developing a peloid by the process https://tsp-for-nutrient-manageme81234.blog-mall.com/36312036/tsp-in-mixed-fertilizers-sri-lanka-for-dummies