different between apatite vs tourmaline

English

Etymology

Adapted from German Apatit, coined from Ancient Greek ????? (apát?, “deceit”), since its form and colour are deceptive, and the common mineral suffix -it (English -ite).

Pronunciation

• (UK, US) IPA^(key): /?æp.?.ta?t/
• Homophone: appetite

Noun

apatite (countable and uncountable, plural apatites)

1. (mineralogy) A calcium fluoride phosphate of variable composition, sometimes used in the manufacture of fertilizer.
   • 1967, Duncan McConnell et al., "Infrared Absorption of Carbonate Apatite," Science, New Series, vol. 155, no. 3762, p. 608,

     We had prepared, by precipitation methods, finely divided crystalline apatites that were similar in crystal size and x-ray diffraction profile to bone apatite.

Derived terms

• carbapatite
• chlorapatite
• fluorapatite
• hydroxyapatite

Translations

See also

• Not to be confused with appetite

Further reading

• David Barthelmy (1997–2021) , “Apatite”, in Webmineral Mineralogy Database
• “apatite”, in Mindat.org?^[1], Hudson Institute of Mineralogy, 2000–2021.

Italian

Noun

apatite f (plural apatiti)

1. (mineralogy) apatite

English

Etymology

From French tourmaline, ultimately from Sinhalese [script needed] (stóramalli, “carnelian”).

Pronunciation

IPA^(key): /?t???m?li?n/

Noun

tourmaline (countable and uncountable, plural tourmalines)

1. A complex black or dark-coloured borosilicate mineral, compounded with various chemical elements and considered a semi-precious stone.
2. A transparent gemstone cut from it.

Derived terms

Related terms

Translations

Anagrams

• moluranite

French

Noun

tourmaline f (plural tourmalines)

1. tourmaline

Further reading

• “tourmaline” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).