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Articles related to mohs scale

Mohs Scale of Hardness - Identify Rocks & Minerals - Chemistry
The Mohs Scale of Hardness measures how well a substance resists scratching by another material. You can use this scale to test the hardness of rocks, ...
http://chemistry.about.com/od/geochemistry/a/mohsscale.htm
How to Perform the Mohs Hardness Test
The Mohs test is one way to determine the hardness of a rock or mineral. You can use the Mohs hardness to help identify an unknown specimen.
http://chemistry.about.com/od/geochemistry/ht/mohstest.htm
Mohs Scale Definition - Chemistry - About.com
Definition: Mohs scale is a relative scale rating the hardness of a mineral. A mineral with a high Mohs number is able to mark a mineral with a lower Mohs ...
http://chemistry.about.com/od/chemistryglossary/g/Mohs-Scale-Definition.htm
Mohs Hardness Scale of Minerals - Geology - About.com
You use the Mohs hardness scale by testing your unknown mineral against one of these standard minerals. Whichever one scratches the other is harder, and if ...
http://geology.about.com/od/scales/a/mohsscale.htm
What's the Mohs Scale of Mineral Hardness? - Jewelry - About.com
The Mohs Scale is used to rank minerals by their hardness. Knowing where gemstones rank on the scale is an important factor in their care.
http://jewelry.about.com/od/birthstonefactsandfolklore/a/mohs_scale.htm
What Is the Hardness Scale for Minerals? Video
Mineral hardness is rated on a scale developed by mineralogist Frederich Mohs. Learn about the Mohs scale of mineral hardness in this educational geology ...
http://video.about.com/geology/What-Is-the-Hardness-Scale-for-Minerals-.htm
The Mohs Hardness of Coins - Geology - About.com
The Mohs scale of mineral hardness consists of ten different minerals, but some other common objects can also be used: these include the fingernail (hardness ...
http://geology.about.com/od/mineral_ident/a/coinmohs.htm
Rock Identification Tables - Geology - About.com
But in simple terms, "hard" rock scratches glass and steel, usually signifying the minerals quartz or feldspar (Mohs hardness 6-7 and up); "soft" rock does not ...
http://geology.about.com/od/rocks/a/Rock-Tables.htm
What is Gorilla Glass? - Chemistry - About.com
Regular glass is much softer, closer to a 7 on the Mohs scale. The increased hardness means you're less likely to scratch your phone or monitor from daily use  ...
http://chemistry.about.com/od/howthingswork/f/What-Is-Gorilla-Glass.htm
What is Cubic Zirconia? - Jewelry - About.com
Store cubic zirconia jewelry by itself, or well separated from gemstones that are rated as harder or softer on the Mohs scale -- that type of storage is important for  ...
http://jewelry.about.com/od/syntheticgemstones/ss/What-Is-Cubic-Zirconia.htm
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