Tag Archives: agate

Chalcedony – Agate

Appearance: • semitransparent to opaque • virtually all colors Variety and Trade Names: • agate – chalcedony with curved or angular bands or layers • moss agate or mocha stone – chalcedony with green, black, or brown inclusions that look like moss• onyx – chalcedony composed of straight, parallel layers of different colors• sardonyx – onyx […]

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