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

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

To the foregoing must still be added the many tons of ruby, silver, polybasite, etc., shipped just as it came from the Poorman mine,—enough, at a rough estimate, to increase the total to fifteen hundred thousand, at least.

From Project Gutenberg

For example, pyrites, galena, and ruby silver are reckoned in the category of compound minerals, whereas we say that metallic 'earths' or stony 'earths' or 'earths' mingled with juices, are mixed minerals; or similarly, stones in which metal or solidified juices adhere, or which contain 'earth.'

From Project Gutenberg

Changed the reference for Proustite on page 626, and the references for Pyrargyrite, for Ruby Silver, for Silver, for Silver Glance and for Silver Ores on page 627, from "109" to "108."

From Project Gutenberg

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

From Project Gutenberg