from The Century Dictionary.
- noun Sulphate of barium; also, carbonate of barium; loosely, carbonate or sulphate of strontium.
Sorry, no etymologies found.
Constant white is a sulphate of baryta, found native and known under the name of heavy-spar, or prepared artificially by adding sulphuric acid, or a soluble sulphate, to a solution of a barytic salt.
Pots were crudely manufactured by mixing clay with heavy-spar that had been roasted and powdered fine, -- called "k [= e] tik," blood from a seal being added and sometimes the pin-feathers from a bird.
For clothing, deerskins were stretched and scraped with flint instruments, then dressed with powdered heavy-spar, making the skin soft and pliable.
Warm Springs a thriving mill for crushing and pulverizing barites, known vulgarly as heavy-spar.
(sulphate of lime), and in heavy-spar, (sulphate of barytes), we possess mountains of sulphuric acid; in galena, (sulphate of lead), and in iron pyrites, we have no less abundance of sulphur.
a thriving mill for crushing and pulverizing barites, known vulgarly as heavy-spar.