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
By: Richard F. Marvin
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Abstract
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. |