Respuesta :
That tool would be B. Hardness point
This tool is used on the Mohs hardess test. Being conducted by placing the mineral specimen on top of a table.
And then place the point of the mineral specimen against a Flat unmarked surface before placing them on the hardness scale.
This tool is used on the Mohs hardess test. Being conducted by placing the mineral specimen on top of a table.
And then place the point of the mineral specimen against a Flat unmarked surface before placing them on the hardness scale.