Dictionary
Words, grammatical forms and meanings linked to the ontology.
marekanite en · NOUN
Meanings
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(countable, uncountable) An Apache tear (obsidian nodule).
Marekanite balls from Corinto in Nicaragua are described; they are about the size of hazel-nuts, and black, with vitreous lustre.
1899, The Quarterly Journal of the Chemical Society of London, page 38:Marekanites are often found as embedded remnants within perlite.
2010, M. Steven Shackley, X-Ray Fluorescence Spectrometry (XRF) in Geoarchaeology, Springer Science & Business Media, →ISBN, page 219:
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(countable, uncountable) The material which such nodules consist of.
But the nature of marekanite is now well understood. It is the perlitic or subpumiceous modification of a glassy rhyolitic rock in situ on […]
1897, Papers and Proceedings of the Royal Society of Tasmania, page 43:
Forms