different between epidote vs tourmaline

English

Etymology

Borrowed from French épidote.

Noun

epidote (countable and uncountable, plural epidotes)

1. (mineralogy) Any of a class of mixed calcium iron aluminium sorosilicates found in metamorphic rocks.
   • 1915, George Curtis Martin, Bertrand Leroy Johnson, Ulysses Sherman Grant, Bulletin 587: Geology and Mineral Resources of Kenai Peninsula, Alaska, United States Geological Survey, page 23,

     A little higher is an outcrop of epidote schist with quartz, carbonate, and magnetite.

   • 1990, Andrew P. Barth, Chapter 3: Mid-crustal emplacement of Mesozoic plutons, San Gabriel Mountains, California, and implications for the geologic history of the San Gabriel terrane, J. Lawford Anderson (editor), The Nature and Origin of Cordilleran Magmatism, Memoir 174: The Nature and Origin of Cordilleran Magmatism, The Geological Society of America, page 36,

     Available compositional data for magmatic epidotes (Naney, 1983; Zen and Hammarstrom, 1984; Barth, unpublished data) suggest no significant solid solution beyond the epidote-clinozoisite binary.

Translations

Further reading

• David Barthelmy (1997–2021) , “Epidote”, in Webmineral Mineralogy Database
• “epidote”, in Mindat.org?^[2], Hudson Institute of Mineralogy, 2000–2021.

Anagrams

• opetide

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).