931. basanos -- a touchstone (a dark stone used in testing metals) ...
... Cognate: 931 -- originally, a black, silicon-based stone used as "a touchstone"
to the purity of precious metals (like silver and gold). See 928 (). ...
/greek/931.htm - 7kGenesis 44:2
And put my cup, the silver cup, in the sack's mouth of the youngest, and his corn money. And he did according to the word that Joseph had spoken.
Torrey's Topical Textbook—AKJV