How to use ruby silver in a sentence
These red fluores, to employ the words just used by you, are the ruby silver which you showed us before.De Re Metallica | Georgius Agricola
Ru′by-blende, a clear red variety of zinc sulphide: ruby silver; Ru′by-tail, a gold-wasp, or cuckoo-fly.
In some cases ruby silver or gray copper have been reached at forty or fifty feet in depth, assaying over one thousand ounces.The Crest of the Continent | Ernest Ingersoll
The native grey sulphuret of silver, and the ruby silver ore, both presented the same phenomena.Experimental Researches in Electricity, Volume 1 | Michael Faraday