Phosphate rock.
Phosphate rock.
Phosphate rock.
Rock phosphate.
Phosphate rock.
Phosphate.
Rock phosphate.
Phosphate rock.
Black and red volcanic rock.
Dicalcium phosphate, sulfo tobias acid, nickel sulphate.
Phosphate rock.
Phosphate.
Granulated rock phosphate.
Granulated rock phosphate.
Rock phosphate.
Rock phosphate.
Rock phosphate.
Rock phosphate from Indonesia.
Rough and cut semi precious gemstones, mineral specimens.
Phosphate rock.