French fromaventureaccident (so called because of its accidental discovery or the randomness of inclusions in it)adventure
American Heritage Dictionary of the English Language, 5th Edition
Aventurine Sentence Examples
In his earlier years he devoted himself to chemistry, both theoretical and applied, publishing papers on the preparation of gold and platinum, numerical relations between the atomic weights of analogous elements, the formation of aventurine glass, the manufacture of illuminating gas from wood, the preservation of oil-paintings, &c. The reaction known by his name for the detection of bile acids was published in 1844.
From the labours of his pupil Miotto sprang that branch of the glass trade which is concerned with the imitation of gems. In the 15th century the first crystals were made, and in the 17th the various gradations of coloured and iridescent glass were invented, together with the composition called " aventurine "; the manufacture of beads is now a main branch of the trade.
Subtle green aventurine has been expertly carved to create this marvelous small dragon.