barytes

At this locality, the ore is accompanied by the sulphate of barytes, and is sometimes crystallized in cubes or octohedrons.

Barytes scratches easily with the knife, and from its great specific gravity is often called heavy-spar.

Magnesia dissolved in much smaller quantity, and barytes seemed to decompose the sugar entirely.

The "crested" or "cock's comb" barytes occurs as rounded aggregations of thin lamellar crystals.

Primed and second coated with a green paint containing zinc oxide and barytes, ground in an oil having a low saponification value.