Agate (/ ˈæɡɪt / AG-it) is a banded variety of chalcedony. Agate stones are characterized by alternating bands of different colored chalcedony and sometimes include macroscopic quartz. They are common in nature and can be found globally in a large number of different varieties.

Agate is a variety of chalcedony, which is a microcrystalline form of quartz. It is characterized by its banded or layered appearance, with alternating colors and patterns. These bands are often curved or concentric, creating unique and visually striking designs.

Calcite-agate, term introduced by Landmesser (1996, p. 39) for agates that appear as normal agates with all characteristic structures but consist of about 80% calcite and about 20% (of mass) extremely small silica particles dispersed throughout the stone. They are formed as a result of silica-carbonate replacement. 553

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Shop carved stone eggs. These are crystals and gemstones that have been shaped to resemble eggs. Small stone eggs are perfect to hold in your hand, and large egg-shaped stone can be displayed on stands.

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Definition of eggette. See: briquette. Click here to see list of references, authorities, sources and geographical terms as used in this glossary. Prev: egg coal Next: eggstone Glossary Search . Mineral and/or Locality . Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.

Mocha Stone: A variety of agate (chalcedony) containing inclusions of pyrolusite. Originally described from Mocha, Saudi Arabia. Moqi agate: The name refers to agates found in Moqi, Inner Mongolia, China. They are generally egg shaped. Sixue Zhang et.al. state that: "[t]here is a darker and thicker oxide layer outside.

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May 31, 2014 · I wanted something basic, so I purchased a traditional eggette pan from Shanghai Street in Hong Kong. These old fashioned devices are basically made of two metal moulds that fit together, attached to wooden handles.