STANNUM calciforme (tin) calciform, contaminated by iron. Calciform.
VISMUTUM,
OR
BISMUTH.
The heaviest of all the brittle metals that follow it, its ſpecific gravity being 9,670. Nitrous acid, and aqua regia diſſolve it perfectly. The vitriolic acid muſt be boiled nearly to dryneſs before it acts upon it, and the muriatic acid only attacks its calx. The quantity of phlogiſton which reſists the action of menſtrua, is expreſſed by 57; and its power of retaining it ranks it in the ſeventh place. It melts at the heat of 494 degrees.
VISMUTUM nativum (biſmuth). Native.
Cronstedt Min. § 222.
VISMUTUM calciforme (biſmuth). Calciform.