Definitions
from The Century Dictionary.
- noun A hydrous vanadate of lead and copper occurring as a crystalline incrustation of a velvet-black color on sandstone at Mottram in Cheshire, England.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A mineral composed of a lead and copper
vanadate .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
1875-80 Named after Mottram, England, where it was first identified
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Examples
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PbCl_ {2}), a vanadate of lead; mottramite, a vanadate of copper and lead; and dechenite, a vanadate of lead and zinc.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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