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Aventurine is often banded and an overabundance of fuchsite may render it opaque, in which case it may be mistaken for malachite at first glance. [citation needed] The name aventurine derives from the Italian "a ventura" meaning "by chance". This is an allusion to the lucky discovery of aventurine glass or goldstone at
Goldstone Goldstone glass under magnification. Goldstone is a type of glittering glass made in a low-oxygen reducing atmosphere.The finished product can take a smooth polish and be carved into beads, figurines, or other artifacts suitable for semiprecious stone, and in fact goldstone is often mistaken for or misrepresented as a natural material.
In aventurine quartz, chrome-bearing fuchsite produces a green stone, and various iron oxides produce a red stone. The words aventurine and aventurescence derive from the Italian "a ventura", meaning "by chance". This is an allusion to the chance discovery of aventurine glass (goldstone) at some point in the 18th century
Both jade magatama from the site are of unusually high-quality brilliant green jade. [16] One known center of Yayoi magatama production was in the area of the Tamatsukuri Inari Shrine in Osaka. Tamatsukuri literally means "jewel making", and a guild, the Tamatsukuri-be, was active from the Yayoi period. An existing jewel at the shrine is said ...
The traditional distinction does not necessarily reflect modern values; for example, while garnets are relatively inexpensive, a green garnet called tsavorite can be far more valuable than a mid-quality emerald. [11] Another traditional term for semi-precious gemstones used in art history and archaeology is hardstone. Use of the terms 'precious ...
Aventurine glass was first invented in 17th or 18th century Venice. It is made to imitate aventurine quartz, it is a yellow glass filled with flecks of sparkling copper particles. Cameo glass is like cased glass, with two layers of different colors. The outer layer is then engraved with a diamond point or etched with acid to create a two-color ...