Tourmaline

B2 8+

Pronunciation: /ˈtʊərməˌlaɪn/

Definitions of tourmaline

noun a mineral that is a complex silicate of boron and aluminum, usually occurring in prismatic crystals of various colors

Example Sentences

A1 Tourmaline is a type of gemstone.

A2 She wears a necklace with a tourmaline pendant.

B1 The tourmaline crystal has unique properties that make it popular in jewelry.

B2 Many believe that tourmaline can help balance energy and promote healing.

C1 Gemologists study the different varieties and colors of tourmaline.

C2 Collectors seek out rare and valuable tourmaline specimens for their collections.

Examples of tourmaline in a Sentence

formal Tourmaline is a precious gemstone that comes in a variety of colors.

informal I bought a beautiful tourmaline necklace while on vacation.

slang That tourmaline ring is totally lit!

figurative Her eyes sparkled like tourmaline in the sunlight.

Grammatical Forms of tourmaline

plural

tourmalines

comparative

more tourmaline

superlative

most tourmaline

present tense

tourmaline

future tense

will tourmaline

perfect tense

has tourmalined

continuous tense

is tourmalining

singular

tourmaline

positive degree

tourmaline

infinitive

to tourmaline

gerund

tourmalining

participle

tourmalined

Origin and Evolution of tourmaline

First Known Use: 1703 year
Language of Origin: Sinhalese
Story behind the word: The word 'tourmaline' is derived from the Sinhalese word 'turamali', which means 'stone with mixed colors'.
Evolution of the word: The word 'tourmaline' has been consistently used to refer to the gemstone with its unique color variations since its first known use in the early 18th century.