Black onyx is perhaps the most famous variety, but it is not as common as onyx with colored bands. Several artificial treatments have been used since ancient times to produce the black …

Onyx, striped, semiprecious variety of the silica mineral agate with white and black alternating bands. Onyx is used in carved cameos and intaglios because its layers can be cut to show a …

Mar 5, 2025 · Curious about onyx? Here's your chance to get to know the different types of onyx and see for yourself just how beautiful and distinct each of them are.

Jun 18, 2025 · What Is Onyx? Onyx is a type of chalcedony, which is a form of quartz. It’s known for its smooth, waxy luster and striking parallel bands, though the most popular variety is solid …

May 2, 2023 · Onyx is a banded chalcedony known for its dark layers and durability. Learn its formation, types, how to spot real vs dyed stones, and its modern uses.

Onyx is a banded variety of chalcedony, which itself is a microcrystalline form of quartz (SiO₂). What distinguishes onyx is its parallel bands of contrasting colors, most commonly black and …

Jun 15, 2021 · Interested in buying an onyx stone? In this buyer’s guide, we’re sharing about onyx meaning, uses, and buying factors to consider!

Apr 16, 2025 · Onyx is a type of chalcedony, which is itself a form of microcrystalline quartz. Onyx stones have straight, nearly parallel bands or layers of color, which allow skilled gem carvers …

Onyx is an ancient gemstone, having been used in jewelry and as an ornamental gemstone for carvings since antiquity. Onyx has traditionally been one of the most important engraving and …

Here's everything you need to know about Onyx - from key facts, uses meanings, healing properties, and more.