antleriten.
/ˈantlərʌɪt/, U.S. /ˈæntləˌraɪt/ Mineralogy.
A green copper-containing mineral typically occurring as prismatic or tabular crystals in the oxidized zones of copper deposits.Antlerite is a basic copper sulphate, Cu3(SO4)(OH)4. Crystal system: orthorhombic.
ΚΠ
1889 W. F. Hillebrand in Bull. U.S. Geol. Surv. No. 55. 55 Two soft lumps of ore of a light green color..from the Antlermine... If in time this should prove to be a well-defined species..the name antlerite..is suggested as appropriate.
1944 Econ. Geol. 39 274 The SO3 concentration is so reduced that chalcanthite, natrochalcite, and krohnkite become unstable and antlerite takes their place.
1989 Encycl. Brit. XXIV. 150/1 The occurrence at or near land surface of the secondary enrichment minerals, such as..antlerite..may indicate a large copper deposit lying below.
2007 C. Fotakis et al. Lasers in Preserv. Cultural Heritage iv. 115 Sheltered areas in which more acidic conditions prevailed favored the formation of antlerite.
This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021).
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