ruby silver

noun

, Mineralogy.

1. proustite.
2. pyrargyrite.

ruby silver

noun

1. another name for proustite pyrargyrite

Word History and Origins

Origin of ruby silver¹

First recorded in 1875–80

Example Sentences

These red fluores, to employ the words just used by you, are the ruby silver which you showed us before.

From Project Gutenberg

Ru′by-blende, a clear red variety of zinc sulphide: ruby silver; Ru′by-tail, a gold-wasp, or cuckoo-fly.

From Project Gutenberg

In some cases ruby silver or gray copper have been reached at forty or fifty feet in depth, assaying over one thousand ounces.

From Project Gutenberg

The native grey sulphuret of silver, and the ruby silver ore, both presented the same phenomena.

From Project Gutenberg