Quartz lumps.
Rock phosphate.
Slags.
Mica.
Gemstones like rose quartz, rutile quartz amathest, acquamarine, emarald.
Mica scraps, mica.
Rock phosphate.
Phosphate.
Silica sand.
Rock phosphate.
Silica sand.
Rock phosphate.
Terracotta products.
Egyptian rock phosphate p205 grades (24% - 32 %).
Silica sand.
Kaolin, fluorospar, manganize.
Rock phosphate.
High quality rock phosphate.
Zeolite (clinoptilolite).
Quarts - gypsum.