Tourmaline - Wikipedia
Tourmaline (/ ˈ t ʊər m ə l ɪ n,-ˌ l iː n / TOOR-mə-lin, -leen) is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. This gemstone comes in a wide variety of colors.
Tourmaline: Meanings, Properties and Powers - The Complete …
2019年5月11日 · Tourmaline will build your inner strength and unite your heart, mind, and spirit in love and passion. It’s the stone that will bring you joy, satisfaction, commitment, and emotional stability. Tourmaline is an excellent stone to energize and balance your chakras.
What Is Tourmaline Gemstone | Tourmaline Stone - GIA
Tourmaline is a birthstone for October, along with opal. Tourmaline is also the gem of the eighth anniversary.
Tourmaline: Earth's most colorful mineral and gemstone
Tourmaline is the name of a large group of boron silicate minerals. These minerals share a common crystal structure and similar physical properties - but vary tremendously in chemical composition.
Tourmaline: Ultimate Guide To Tourmaline (What It Is and Where …
2022年7月26日 · Discover the origins, properties, and varieties of tourmaline, and learn the best locations to find this colorful gemstone. Whether you're a seasoned collector or just starting out, our guide has everything you need to add tourmaline to your collection today.
Tourmaline | Properties, Formation, Occurrence - Geology Science
2024年7月1日 · Tourmaline is a fascinating gemstone that is known for its wide range of colors and unique properties. It is a crystalline mineral composed of complex borosilicate compounds and belongs to the cyclosilicate mineral group.
Tourmaline Description - GIA
A tourmaline’s chemical composition directly influences its physical properties and is responsible for its color. Tourmalines make up a group of closely related mineral species that share the same crystal structure but have different chemical and physical properties.
Tourmaline Gem Guide and Properties Chart - Gemstones.com
This Tourmaline gemstone guide lists qualities of the Tourmaline gem type, including stone colors, common names, meanings, gemstone hardness and more.
Tourmaline | Igneous rocks, Crystals, Gemstones | Britannica
2024年11月28日 · Tourmaline, borosilicate mineral of complex and variable composition. Three types of tourmaline, distinguished by the predominance of certain elements, are usually recognized: iron tourmaline (schorl), black in colour; magnesium tourmaline (dravite), brown; and alkali tourmaline, which may be pink
The tourmaline Mineral Group - The Mineral and Gemstone …
Tourmaline is extremely popular among collectors and is a well-known gemstone. It is the most multicolored mineral type known, occurring in virtually every color of the spectrum. Individual stones are often multicolored and are unsurpassed in their beauty.