different between pyrite vs firestone

English

Etymology

Recorded since 1555, from Old French pyrite (12th century), from Latin p?rit?s, from Ancient Greek ??????? ????? (purít?s líthos, “stone of fire, flint”) (so called because it glitters), notably the first part: adjective ??????? (purít?s, “of or in fire”), from ??? (pûr, “fire”). Analyzable as pyr- +? -ite

Pronunciation

• IPA^(key): /?pa?.?a?t/
• Hyphenation: py?rite

Noun

pyrite (plural pyrites)

1. (mineralogy) The common mineral iron disulfide (FeS₂), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.
2. (usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.
3. (solid state chemistry) (usually as a plural: pyrites) Any metal dichalcogenide that is isostructural to the common mineral.

   Copper diselenide can occur both as a marcasite and a pyrite.

Synonyms

• fool's gold
• iron pyrites

Hyponyms

• iron pyrite
• pyrrhotite

Derived terms

Related terms

• pyr-
• pyric
• pyro-

Translations

See also

• marcasite

Anagrams

• typier

French

Pronunciation

• IPA^(key): /pi.?it/
• Hyphenation: py?rite

Noun

pyrite m (plural pyrites)

1. The metallic mineral pyrite

Hyponyms

• pyrrhotite

Related terms

• pyrique

Further reading

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

English

Etymology

fire +? stone

Noun

firestone (countable and uncountable, plural firestones)

1. Iron pyrites, formerly used for striking fire.
2. A flint.
3. A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.

Anagrams

• forestine, fresnoite, set on fire