DERIVATION.--Native calcium carbonate, freed from most of its impurities
by elutriation.
PROPERTIES.--A white, amorphous powder, often molded into conical drops;
odorless and tasteless; permanent in the air. Almost insoluble in water;
insoluble in alcohol.
DOSE.--Horses, 1 to 2 oz.; cattle, 2 to 4 oz.; sheep and pigs, 2 to 4
dr.; dogs, 10 gr. to 1 dr.