Description

Type Of Onyx: Blue Onyx. Blue onyx is a variety of onyx, which itself is a type of chalcedony (a cryptocrystalline form of quartz). Its blue color is caused by the Tyndall Effect, where light scatters due to the presence of tiny colloid-sized particles, similar to how the sky appears blue.
(w) 5″ x (d) 5″ x (h) 12″
(w) 13 x (d) 13 x (h) 30 cm
Weight: 11.0 lbs – 5 kg
Color: Blue, Green, Rust

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