Shungite and rocks and minerals in general
Organic mineral, timber and furniture
Silver ,and other precious minerals
Metal grade gibbsitc bauxite ore, parameters, Minimum required specifications total alumina, total extractable alumina (gibbsite / trihydrate), boehmite (monohydrate) alumina, reactive silica, moisture content (air dried basis)
Aromatic solvents, petrochemical, minerals, powders