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 is an excellent stone to energize and balance your chakras. It’s also a must-have stone if you’re serious about cleansing your aura! The healing energies of Tourmaline will bring you hope and peace, and it will lift you out of your darkness and bring you towards the light.
What Is Tourmaline Gemstone | Tourmaline Stone – GIA
Tourmalines have a variety of exciting colors with one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.
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 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 | 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.
What Is Tourmaline Gemstone | Tourmaline Stone – GIA
Tourmalines have a wide variety of exciting colors with one of the widest color ranges of any gem. Tourmalines not only show every hue of the rainbow, but also an incredible range of color saturations and tones—from expensive electric blues to affordable olive greens.
Tourmaline | Igneous rocks, Crystals, Gemstones | Britannica
2025年1月11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