Carnelian
Variety name for orange-red to reddish-brown chalcedony. Usually translucent and without bands. A banded chalcedony is usually called agate, but we see orange-red banded agate…
Tag: chalcedony
Blue Lace Agate
Commercial name for a blue-violet banded variety of agate/chalcedony, also called Avalonite™ or simply chalcedony. The designation lace refers to the many winding bands, resembling…
Avalonite (™)
Used as a commercial name for a blue-violet banded variety of chalcedony. Also called blue lace agate or simply chalcedony. Judy Hall1 and Hans Timmers2…
Australian jade
Misleading commercial name for chrysoprase, a green variety of chalcedony. As is often the case, the name jade is used to make the customer pay…
Aquaprase
Commercial name for ocean blue-green-colored chalcedony. The name in reference to an aqua blue chrysporase, also a chalcedony variety. Could also, according to a discussion…
Amorite
Trade name for ‘druzy’ quartz with chalcedony from Mexico. ‘Druzy’ means a top layer of very small crystals on a fracture surface of a rock,…
Agate
Name for a distinctly striped or banded chalcedony. Originally found in the river Dirillo (formerly Achates) in Sicily, Italy, from which the name is derived.…
