mohs hardness scale assigns a number from 1 to 10
{"Image DocumentName": "Mohs Hardness Scale: assigns a number from 1 to 10", "Image ImageDescription": "10 is the hardest (diamond) 1 is the softest (talc) Estimate the hardness of a mineral by dragging the mineral on a piece of window glass to see if it scratches it: --if it does, its hardness is 5.5 or greater. --if it does not, its hardness is less than 5.5.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}