Mtorolite (Chrome Chalcedony)

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dc.contributorUniversity of Toledo Libraries
dc.coverageUnited States
dc.date.accessioned2024-05-16T17:03:15Z
dc.date.available2024-05-16T17:03:15Z
dc.descriptionSiO2 with Cr - Mohs Hardness: 6-6 1/2. Chrome chalcedony found in an ancient Roman gem collection may have come from one of the chromium deposits in what is now Turkey. Present commercial production comes from Zimbabwe under the trade name "mtorolite", and from Bolivia under the trade name "chiquitanita".
dc.descriptionZimbabwe, Africa
dc.formatimage/jpeg
dc.identifierutoledo:6246
dc.identifieriid: rockminx-5-2-2
dc.identifier.urihttps://hdl.handle.net/20.500.14324/2603
dc.language.isoeng
dc.relationRock and Mineral Exhibit, 2016-17
dc.rightsNo Copyright - United States
dc.rights.urihttps://rightsstatements.org/vocab/NoC-US/1.0/
dc.subjectenvironmental sciences
dc.titleMtorolite (Chrome Chalcedony)
dc.typenatural object
dc.typeStill Image

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Rock and Mineral Exhibit, 2016-17