Agate is a streaked form of finely-grained, microcrystalline Quartz. The lovely color patterns and banding make this translucent gemstone very unique. Agates can have many distinctive styles and patterns, but each Agate is unique in its own habit, with no two Agates being the same.
Chemical Formula SiO2
Color White, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, Multicolored
Hardness 7
Crystal System Hexagonal
Refractive Index 1.54Â -Â 1.55
SG 2.63Â -Â 2.65
Transparency Translucent
Double Refraction .009
Luster Vitreous
Cleavage Indiscernible
Chemical Formula SiO2
Color White, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, Multicolored
Hardness 7
Crystal System Hexagonal
Refractive Index 1.54Â -Â 1.55
SG 2.63Â -Â 2.65
Transparency Translucent
Double Refraction .009
Luster Vitreous
Cleavage Indiscernible
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