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Aventurine is used for a number of applications, including landscape stone, building stone, aquaria, monuments, and jewelry. Aventurine is a form of quartzite , characterised by its translucency and the presence of platy mineral inclusions that give it a shimmering or glistening effect termed aventurescence .
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
In the early 2000s, a new variety of red or green gemstone resembling sunstone and known as "Andesine" appeared in the gem market. After much controversy and debate, most of these gemstones, allegedly sourced from China, were subsequently discovered to have been artificially colored by a copper diffusion process. [ 2 ]
Ordinary chrysoberyl is yellowish-green and transparent to translucent. When the mineral exhibits good pale green to yellow color and is transparent, then it is used as a gemstone. The three main varieties of chrysoberyl are: ordinary yellow-to-green chrysoberyl, cat's eye or cymophane, and alexandrite.
Aventurine is part of WikiProject Rocks and minerals, an attempt at creating a standardized, informative, comprehensive and easy-to-use rocks and minerals resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.
Green cleaning refers to using cleaning methods and products with environmentally friendly ingredients and procedures which are designed to preserve human health and environmental quality. [1] Green cleaning techniques and products avoid the use of products which contain toxic chemicals , some of which emit volatile organic compounds causing ...
Its color is normally apple-green, but varies from turquoise-like cyan to deep green. The darker varieties of chrysoprase are also referred to as prase . (However, the term prase is also used to describe chlorite -included quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.)