ruby silver

American  

noun

Mineralogy.

1. proustite.

2. pyrargyrite.

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ruby silver British  

noun

1. another name for proustite pyrargyrite

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Etymology

Origin of ruby silver

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

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

From Project Gutenberg

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

From Project Gutenberg

Processes of secondary enrichment have in places yielded large quantities of oxidized silver minerals and wood tin near the surface, with accumulations of ruby silver ores at greater depths.

From Project Gutenberg