Definition of Fool's gold

1. Noun. A common mineral (iron disulfide) that has a pale yellow color.

Exact synonyms: Iron Pyrite, Pyrite
Terms within: Atomic Number 34, Se, Selenium
Generic synonyms: Mineral

Definition of Fool's gold

1. Noun. A mineral or other substance often mistaken for gold, mainly used for iron pyrite. ¹

¹ Source:

Fool's Gold Pictures

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Lexicographical Neighbors of Fool's Gold

fool's cap
fool's errand
fool's gold
fool's huckleberry
fool's mate
fool's mates
fool's paradise
fool's parsley
fool about
fool away
fool to oneself
fool up

Literary usage of Fool's gold

Below you will find example usage of this term as found in modern and/or classical literature:

1. Modern Chemistry, with Its Practical Applications by Fredus Nelson Peters (1901)
"A silicate of potassium and aluminum, which, decomposed, forms clay. fool,s gold. Ferric disulphide, FeS2. fuller,s earth. A variety of clay. fuming liquor ..."

2. Outlines of the Geology, Soils and Minerals of the State of Arkansas by Jim G. Ferguson (1920)
"This sulphur, combined with iron as pyrite or .fool.s gold' often occurs as large nodules or layers, which the miners call .sulphur balls' or .sulphur bands ..."

3. County Reports and Maps ... Jefferson, Berkeley, and Morgan Counties by George Perry Grimsley (1916)
"... a sulphide of iron, known as pyrites, a bright yellow mineral, which has so often been taken for gold that it bears the name of "fool,s gold". ..."

4. Metallurgy: Instruction Paper Revised by Ralph H. Sweetser by American School of Correspondence, R. H. Sweetser (1905)
"The principal minerals used in iron smelting are: Iron Pyrites or fool-s gold (FeS2). It occurs in cubic crystals and bright shining scales. ..."

5. Publications by Nebraska Geological Survey (1903)
"Iron in the form of pyrite or fool.s gold occurs in clays and shales and sparingly in the limestone of some quarries greatly to the detriment of the rock. ..."

6. Guide to the Study of the Collections in the Section of Applied Geology by George Perkins Merrill (1901)
"... of "fool-s gold." In certain cases, however, it carries the precious metals, and in many regions is sufficiently rich in gold to form a valuable ore. ..."

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