Search Results for: Personal scale
kits and hardness picks mineral hardness test kit only $ this kit contains nine mineral specimens that can be used to determine the relative hardness of an unknown specimen. it can be used in the field, classroom, or laboratory. the minerals contained in the kit and their respective mohs hardness scale
values are: talc ( ), gypsum ( ), calcite ( ), fluorite ( ), apatite ( ), feldspar ( ), quartz ( ), topaz ( ) or beryl ( to ), and corundum ( ). diamond ( ) is not included. packaged in a sturdy box with a plastic tray to keep the collection organized. great for classroom use, laboratory use, or personal...
https://geology.com/store/collections/hardness-kit.shtml