Standard Lemma guide

fornacite

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

noun

Meaning 1

A rare monoclinic-prismatic lead copper chromate arsenate hydroxide mineral, which is generally green to yellow and translucent to transparent, and has a Mohs hardness of 2.3, a specific gravity of 6.27, and a Strunz classification of 7.FC.10.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin fornāx, fornāc- (“furnace”) -ite, named in 1915 after Lucien Lewis Forneau (whose surname resembles French fourneau (“stove”), which, like fornāx, is ultimately from Latin furnus (“oven”)).