STANNUM,
OR
TIN.
Its ſpecific gravity is 7,264. Vitriolic, muriatic, acetous acids, and aqua regia, diſſolve it, but the nitrous, eſpecially when ſtrong, attacks it ſo violently, that it ſoon reduces it to the ſtate of an inſoluble calx.
The quantity of phlogiſton it loſes by ſolution, may be called 114; and this it retains with a force that gives it the ninth place in the ſeries. It melts eaſier than any metal, except quickſilver, viz. at 415 degrees.
STANNUM nativum (tin). Native.
This I have not ſeen. Some doubts are entertained of its true nature, and, perhaps, not without reaſon.
STANNUM ſulphuratum (tin), mineralized by ſulphur. Sulphurated.
[See the Preface.]
STANNUM calciforme (tin) calciform, contaminated by iron. Calciform.