what is adventurine in marbles
Lutz Marbles. A lutz marble is any marble containing goldstone, which is aventurine glass that glitters with an unmistakable reddish brown due to the presence of copper particles.In marble collecting circles an aventurine marble typically refers to the green variant of this shimmering glass.Nicholas Lutz, the famous 19th century glass artist, used goldstone extensively in his glass works, and these lutz marbles are nicknamed after him despite the fact that he never made marbles.n marble collecting circles an aventurine marble typically refers to the green variant of this shimmering glass. Nicholas Lutz, the famous 19th century glass artist, used goldstone extensively in his glass works, and these lutz marbles are nicknamed after him despite the fact that he never made marbles.