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Sample Box, Mohs Scale HC90
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Sample Box, Mohs Scale HC90

A wooden box with nine minerals, talc, gypsum, calcite, fluor spar, apatite, orthoclase, rock crystal, topaz and corundum. Box includes a file with wooden handle and cloth.

Created by German mineralogist Fredrich Mohs in 1812. Uses a harder material to scratch a softer one. In Mohs scale a pencil has the hardness of 1, window glass 5.5, and diamond 10. Kit created by father and son Victorian natural history dealers.

date: 1866-1874

manufacturer: Bryce Wright

max dimension:
subject area: Social Science, Science
specific themes: Minerals, Technology
Sample Box, Mohs Scale HC90
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