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单词 botallackite
释义

botallackiten.

Brit. /bəʊˈtaləkʌɪt/, U.S. /boʊˈtæləˌkaɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Botallack , -ite suffix1.
Etymology: < the name of the Botallack mine, Cornwall, where the mineral was first found + -ite suffix1: see quot. 1865.
Mineralogy.
A rare copper-containing mineral typically occurring as small blue-green platy crystals.Botallackite is a basic chloride of copper, Cu2(OH)3Cl, polymorphous with atacamite. Crystal system: monoclinic.
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the world > the earth > minerals > types of mineral > halides > [noun] > fluorite group > copper hydroxychloride
atacamite1837
remolinite1852
botallackite1865
tallingite1865
paratacamite1905
1865 A. H. Church in Jrnl. Chem. Soc. 18 213 Botallackite occurs in a part of the Botallack mine, where the infiltration of sea-water occurs; it is associated with atacamite and tallinginite.
1956 Min. Mag. 13 237 Crystals of botallackite of sufficient size for single crystal X-ray study have been found at Cligga Head, Cornwall.
2003 Stud. in Conservation 48 67/3 These greens include the four basic copper chlorides, atacamite, paratacamite, clinoatacamite and botallackite.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).
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n.1865
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