AVENTURINE
sunstone, aventurine
(noun) a translucent quartz spangled with bits of mica or other minerals
Source: WordNet® 3.1
Etymology
Noun
aventurine (countable and uncountable, plural aventurines)
A kind of brownish glass containing gold-coloured spangles.
Synonym: goldstone
(mineral, by extension) A variety of translucent quartz, spangled throughout with scales of yellow mica.
Anagrams
• uninervate
Source: Wiktionary
A*ven"tu*rine, n. Etym: [F. aventurine: cf. It. avventurino.]
1. A kind of glass, containing gold-colored spangles. It was produced
in the first place by the accidental (par aventure) dropping of some
brass filings into a pot of melted glass.
2. (Min.)
Definition: A variety of translucent quartz, spangled throughout with
scales of yellow mica. ~= feldspar, a variety of oligoclase with
internal firelike reflections due to the presence of minute crystals,
probably of hematite; sunstone.
Source: Webster’s Unabridged Dictionary 1913 Edition