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Looking for GRAINGER APPROVED Mohs Scale of Hardness of Minerals (5DPD4)? Grainger's got your back. Price $51.51. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more.


Help identify a mineral by determining its hardness and performing a streak test. The collection of nine minerals represents the Mohs hardness scale from #1 (talc) to #9 (corundum). In addition, the kit includes instructions, a streak plate, and a field pouch.


GENUINE DELUXE MOH HARDNESS KIT Product Features Four double-ended picks with eight points: 2 & 3, 4 & 5, 6 & 7, 8 & 9 on Mohs' Hardness Scale A glass plate (hardness of about 5.5) which, when scratched, distinguishes hard from soft minerals A second hardness plate with a hardness value of 3.5 A streak plate for testing a mineral streak color Product Description...


Deluxe Hardness Test Kit and Pick Set from Mineralab, featuring top quality picks made of metals and alloys of hardness values equal to 2 through 9 on the Mohs hardness scale. Unlike picks made from minerals, metal picks can be easily sharpened.


Moh’s hardness kit Used for determining the hardness of the surface of the materials. Composed by a case containing 9 minerals of the Moh’s hardness scale and also copper strip, small glass and magnet bar.


Rock Kit * Mineral Kit * Fluorescent Kit * Hardness Kit * Fossil Kit * Fluorescent Rocks & Minerals * Longwave Fluorescent Minerals * Way Too Cool Florescent Lights * Fluorescent Flashlights * Mineral & Rock Specimens* Floating Display Frames * Rock Cycle & Igneous Rock Posters * Rockhound Backpack * Stands * Chocolate Rocks * Rikers * Opal Domes *Rock Candy * Pebble Jelly Beans, Jawbr...


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Rock PSI Rock Formation Approximate MOH’s Hardness* Soft Rock Talc 1 0-6k psi Shale Less than 3 Clay 0.7 – 2.8 Mudstone 1.5 – 2.8 Gypsum 2 Medium Rock Calcite 3 7k-12k psi Limestone 2.2 – 3.3 Marble 2.4 – 3.2 Slate 4 – 5 Fluorite 4 Apatite 5 Sandstone 3 – 6 Medium Hard […]


The hardness scale developed by Friedrich Mohs is still in widespread use today and is known as the Mohs Hardness Scale. Purchase a set of hardness picks to help you find the hardness of your materials. Seven Days for a Hardness of Seven The standard rock tumbling instructions were written for materials that have a Mohs hardness of about seven ...


Geologists usually use pointed-tip rock hammers in areas of metamorphic and igneous rocks. The flat end of the hammer is used for breaking rocks and for light chisel work. ... 9. Available in a plastic field case or a wooden case for the office. Knowing the hardness of the rocks you are tumbling helps you identify them and know which rocks are ...