Chalcedony & Moss agate - Unionpedia, the concept map

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Difference between Chalcedony and Moss agate

Chalcedony vs. Moss agate

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. Moss agate pebble, 1 inch (25 mm) long Moss agate is a semi-precious gemstone formed from silicon dioxide.

Agate

Agate is the banded variety of chalcedony, which comes in a wide variety of colors.

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Gemstone

A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.

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Mineral

In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.

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Moss

Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta sensu stricto.

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Quartz

Quartz is a hard, crystalline mineral composed of silica (silicon dioxide).

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Silicon dioxide

Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula, commonly found in nature as quartz.

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