Green aventurine is one of many colors of colorful metamorphic quartzite which contains small mica inclusions leading to a shimmering effect called aventurescence.
The most common inclusion in aventurine is fuchsite, a green chromium-rich mica. Just a few percent fuchsite by volume can impart a distinct green color to aventurine.
Aventurine is known as the stone of opportunity.
This listing is for one tumbled polished stone.
Mandala in background is 4" across for size comparison.
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