Tourmaline (/ ˈtʊərməlɪn, - ˌliːn / ⓘ TOOR-mə-lin, -⁠leen) is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, …

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.

Mar 5, 2025 · Are you curious about the different types of tourmaline? Read on as we discuss the unique properties and characteristics of these tourmaline types.

What is Tourmaline? 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 …

Jul 10, 2025 · Everything you ever wanted to know about tourmaline. Find value guidelines, scientific data, expert comments, and more in our Gem Listings.

Mar 24, 2025 · Discover the power of Tourmaline crystals! Learn about their meaning, healing properties, and how to use them for protection, emotional balance, and spiritual growth. …

Tourmaline, borosilicate mineral of complex and variable composition. Three types of tourmaline, distinguished by the predominance of certain elements, are usually recognized: iron …

The word "rainbow" is used figuratively to describe tourmaline. In reality, it is a well recognized fact that tourmaline's diversity in color is not limited to the seven colors of the rainbow. …

Jul 3, 2025 · In this guide, we’ll explore the meaning behind tourmaline, its unique properties, and how you can use it in your daily life. What Is Tourmaline? Tourmaline is a semi-precious …

5 days ago · Discover how to choose the perfect tourmaline with this ultimate buying guide. Learn about colors, quality, origins, treatments, and value before you buy.