Synthesis of calcium vanadate minerals and related compounds

Trace Elements Investigations 616
This report concerns work done on behalf of the Division of Research of the U.S. Atomic Energy Commission



Synthesis of natural vanadates shows that most of them are stable in an acid environment. Phase studies of a portion of the system CaO-V2O5-H2O indicate that calcium vanadates are an indicator of environmental pH conditions. Some minerals, such as pascoute, indicate rapid evaporation of vanadite solutions; other minerals, such as hewettite, show that slow evaporation took place. Cursory examination of systems K2O-UO2-(NO3)2-V2O5 and CaO-UO2(NO3)2-V2O5, both in aqueous solution, has yielded information on the relationships among carnotite, tyuyamunite, and rauvite.

Publication type Report
Publication Subtype USGS Numbered Series
Title Synthesis of calcium vanadate minerals and related compounds
Series title Trace Elements Investigations
Series number 616
DOI 10.3133/tei616
Year Published 1956
Language English
Publisher U.S. Geological Survey
Description 27 p.
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