Lathanite-(Ce), (Ce,La,Nd)2(CO3)3·8H2O, a new mineral from Wales, U.K.

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Authors:Bevins, Richard E.; Rowbotham, George; Stephens, Frederick S.; Turgoose, Stephen; Williams, Peter A.
Author Affiliations:Primary:
Natl. Mus. Wales, Dep. Geol., Cardiff, United Kingdom
Other:
Univ. Keele, Dep. Geol., United Kingdom
Macquarie Univ., Sch. Chem., Australia
Univ. Coll., Dep. Chem., United Kingdom
Volume Title:American Mineralogist
Source:American Mineralogist, 70(3-4), p.411-413. Publisher: Mineralogical Society of America, Washington, DC, United States. ISSN: 0003-004X
Publication Date:1985
Note:In English. 9 refs.; illus. incl. 3 tables
Summary:Lanthanite-(Ce) ((Ce,La,Nd)2(CO3)3.8H2O, with Ce > La,Nd; Pbnb, a 9.482(6), b 16.938(11), c 8.965(3) A, Z = 4, D(calc) 2.79, D(meas) 2.76 g/cm3) occurs as a secondary mineral in oxidized copper ore at the Britannia mine, Snowdonia, North Wales. It is found as colourless transparent plates (010) covered by radiating tufts of malachite and is associated with brochantite, posnjakite and chalcoalumite. The strongest XRD lines are 8.47(100), 3.255(73), 4.746(65), 3.028(65) and 4.462(62) A. The mineral is biaxial negative, alpha 1.532(2), beta 1.594(2), gamma 1.616(2). It is not fluorescent, and has H. 2.5, a colourless streak, a vitreous lustre and is sectile. [J.A.Z.]
Subjects:Carbonates; Chemical composition; Mineralogy; Minerals; New minerals; Caernarvonshire Wales; Europe; Great Britain; Snowdonia; United Kingdom; Wales; Western Europe; Britannia Mine; Lanthanite
Abstract Numbers:85M/4555
Record ID:1986022317
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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