Chalcedony is a type of microcrystalline quartz that belongs to the larger family of silicate minerals. It is known for its smooth texture, translucent appearance, and a wide range of captivating colours. Chalcedony is formed through the deposition of silica-rich solutions within cavities and fractures in rocks, often found in volcanic or sedimentary environments.
One of the distinctive characteristics of chalcedony is its waxy lustre, which gives it a beautiful and polished sheen. It commonly occurs as massive or botryoidal formations, displaying a compact and fibrous structure. The most renowned variety of chalcedony is agate, characterized by its banded or striped patterns, created by alternating layers of different minerals. It comes in various shades, including white, grey, blue, purple, pink, brown, and green, often with subtle variations and intricate patterns.
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