Onyx is a typically black-and-white banded variety of agate, a silicate mineral. The bands can also be monochromatic with alternating light and dark bands. Sardonyx is a variety with red to …

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!

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.

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 …

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 …

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 …

Apr 16, 2025 · Discover the complete guide to onyx stone properties, varieties, and care. Learn about black onyx meaning, jewelry uses, and how to identify pure onyx gemstones.

Mar 25, 2025 · The meaning, hardness, luster, origin, and crystal system of onyx. Learn how this gemstone supports strength, stability, and emotional clarity.

Aug 8, 2025 · Onyx gemstone, a unique black and white banded stone, is prized for jewelry, protective qualities and history. Learn about onyx stone meaning, uses and origins.