Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is …

In warm or cool tones, topaz is a lustrous and brilliant gem. Topaz’s reddish pleochroic color often appears at the ends of cut gems. Rich reddish orange is one of this gem's most coveted colors. …

Jun 18, 2024 · The most complete guide to topaz. Find prices, value guidelines, scientific data, expert comments, and more in our Gem Encyclopedia.

Topaz is one of the Mohs hardness minerals and has been an important gemstone for thousands of years. It occurs in a wide range of colors, many of which are produced by treatments.

Discover everything about topaz gemstones, including their vibrant colors, rare varieties like imperial and blue topaz, spiritual meanings, healing properties, mining locations, and expert tips for identifying …

Apr 18, 2018 · Topaz is a durable gemstone known for its wide color range, unique formation environments, and geological importance. Discover its properties and major sources.

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

Mar 5, 2025 · Discover the different types of topaz, including their unique properties, distinct looks, and special characteristics that set them apart from each other.

Topaz is the birthstone for November and is the gem for 16th wedding anniversary. Topaz is found in placer deposits, pegmatites, and volcanic rocks. Many of the topazes used in jewelry of modern …