Crystal Structure Studies of Vanadium Minerals
{'Code': '06030107', 'Directorate': {'LongName': 'Directorate For Geosciences'}, 'Division': {'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'Felicia Fauntleroy'}
Vanadium is considered by many to be the most difficult element to              characterize geochemically because of its low crustal abundance                 and its existence in three valence states under geologic                        conditions.  Vanadium minerals are typically poorly-crystallized,               and its isolation of samples suitable for crystal structure                     studies has historically proved difficult; thus, our knowledge of               the crystal-chemical behavior of vanadium has not kept pace with                other mineral groups.  The research proposed  will produce                      crystal structure solutions or refinements of several vanadium                  minerals and related  minerals. The first will be the lead                      apatites, the second brackebuschite and gamagarite, and the final               portion of the project will be the determination of the crystal                 structure of ziesite, a high-temperature vanadium mineral.
{'FirstName': 'John', 'LastName': 'Hughes', 'EmailAddress': 'hughesjm@muohio.edu', 'StartDate': '06/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Miami University', 'CityName': 'Oxford', 'ZipCode': '450563653', 'PhoneNumber': '5135293600', 'StreetAddress': '500 E High Street', 'CountryName': 'United States', 'StateName': 'Ohio', 'StateCode': 'OH'}
{'Code': '1573', 'Text': 'PETROLOGY AND GEOCHEMISTRY'}
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