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Bob the Builder here to teach you about Olivine
Olivine has a chemical formula of (Mg,Fe)2SiO4 and a hardness of 6.5 to 7
It is part of the olivine group and has a color of olive green.
Both the cleavage and fracture are brittle
The streak is white and the luster is vitreous.
The specific gravity for olivine is 3.2 to 4.4
The transparency is transparent to translucent
Important uses for olivine include slag conditioner, removing impurites
from steel and refactory metals and brick.
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