Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) …

Sep 15, 2024 · Opal Stone Facts and Information. For thousands of years, people have mined and treasured opals. These striking stones are the traditional October birthstone and have …

Apr 11, 2019 · Opal is a stone of balance and can help you regulate and balance your emotions and moods, especially if your mood changes are due to mental health or hormonal issues. It is …

Mar 5, 2025 · Opal is a fascinating mineral known for its unique play of colors and diversity. There are many types of opal, each with distinct characteristics that make them special. For …

Opal is an October birthstone. Grids of silica spheres 0.2 microns in size create red play-of-color flashes. Opal contains up to 20% water trapped in its silica structure. The novel “ Anne of …

Opal is one of the world's most popular gemstones and the birthstone for the month of October. A nice precious opal can flash every color of the spectrum with an intensity and quality of color …

This Opal (Common) gemstone guide lists qualities of the Opal (Common) gem type, including stone colors, common names, meanings, gemstone hardness and more.

Aug 11, 2021 · Opal gemstones are hydrated silica crystals that form over millions of years. Learn about opal details, including stone meanings and symbolism, history, pricing, and value.

Mar 22, 2023 · There are many different kinds of opal out there, far more than most people realize. Each has its own individual charm, whether it’s the colorful common opal found in the …

Opal is a gemstone composed primarily of silica and water, known for their striking iridescence and color play. These unique and captivating stones are formed when silica-rich water seeps …