This Rules is applicable to the sampling of batched fluorspar (fluorite), alumina, talc, manganese ore, iron ore and chrome ore in bulk to check their chemical composition, moisture, particle size and other physical properties; and the sampling of other minerals in bulk, such as barite, magnesia, feldspar, clay, gypsum, limestone, dolomite and magnesite, may also refer to this Rules.
This Rules shall be regarded as a guidance document when formulating the standard of manual sampling method for a certain minerals in bulk.