Translations:Adventist Youth Honors Answer Book/Nature/Rocks & Minerals/17/en
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Source: American Federation of Mineralogical Societies: Mohs Scale of Mineral Hardness
This page was last edited on 7 January 2021, at 21:21.
This is an official site of the North American Division Youth & Young Adult Ministries of the Seventh-day Adventist Church.
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9705 Patuxent Woods Dr
Columbia, MD 21046
Text is available under the Creative Commons Attribution-ShareAlike License version 2.5, or 3.0.
