tourmaline

noun

tour·​ma·​line ˈtu̇r-mə-lən 

-ˌlēn

: a mineral of variable color that consists of a complex borosilicate and is valued as a gem when transparent and cut

Examples of tourmaline in a Sentence

Recent Examples on the Web

That collection, called Sea of Wonder, included pieces like a striking necklace set with diamonds with icy-blue and sea green cuprian elbaite tourmalines from Mozambique as well as a ring adorned with a very rare Paraìba cuprian elbaite tourmaline. —Nicole Hoey, Robb Report, 14 Apr. 2026

This small pad is lined with jade and tourmaline stones and wired to heat them. —Brigitt Earley, Glamour, 9 Apr. 2026

Commissioned in the 1600s for King Charles II, the crown features a solid gold frame and is adorned with rubies, amethysts, sapphires, garnets, topazes, and tourmalines, and weighs nearly five pounds, according to Britannica. —Emily Kelleher, InStyle, 8 Apr. 2026

Designed with a blend of advanced filters, including stainless steel mesh and activated carbon, Aquabliss’ Shower Filter purifies your water and enriches it with vitamin C and tourmaline, revealing softer skin and glossier strands. —Lily Wohlner, Allure, 25 Mar. 2026

Word History

Etymology

Sinhalese toramalli carnelian

First Known Use

1759, in the meaning defined above

Rhymes for tourmaline

• acrolein
• adenine
• alkylene
• aniline
• anthracene
• aquiline
• asphaltene
• atlantean
• atrazine
• butadiene
• butylene
• caesarean

Kids Definition

tourmaline

noun

tour·​ma·​line ˈtu̇r-mə-lən 

-ˌlēn

: a mineral of variable color that makes a striking gem when transparent and cut