rubasse

(ro̵̅o̅ bas, -bäs)

noun

a variety of crystalline quartz containing bits of hematite that produce a ruby-red color

Origin: < Fr rubace < rubis: see ruby

See rubasse in American Heritage Dictionary 4

noun
A variety of quartz colored ruby red by its iron-oxide content.

Origin:

Origin: French rubace

Origin: , from rubis, ruby; see ruby

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