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There are 3 different meanings of Yu-stone.
Mineral
10 products, approx. 23 pages
Yu-stone may refer to either of two minerals: Jadeite
2 products, approx. 3 pages
Jadeite is a pyroxene mineral with composition NaAlSi2O6. It is monoclinic. It has a Mohs hardness of about 6.5 to 7.0 depending on the composition. The mineral is dense, with a specific gravity of about 3.4. Jadeitite forms solid solutions with other... Actinolite
3 products, approx. 2 pages
Actinolite is an inosilicate mineral with the chemical formula... 
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