<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>B. F. Leonard</dc:creator>
  <dc:date>1979</dc:date>
  <dc:description>&lt;p&gt;The COM Quantitative Data File (Henry, 1977) gives, on cards, the reflectance and microindentation hardness of a good selection of ore minerals.&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/ofr79658</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey</dc:publisher>
  <dc:title>Index to the reflectance and microindentation hardness of ore minerals in the IMA/COM Quantitative Data File (first issue, 1977)</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>