Hardness (Mohs)	Mineral	Group
2 - 4	Chrysocolla
2 - 2.5	Clinochlore
2 - 2.5	Mellite
2 - 3	Phosgenite
2 - 3	Shomiokite-(Y)
2.5	Brucite
2.5	Charlesite
2.5 - 3	Anglesite
2.5 - 3	Crocoite
2.5 - 3	Kurnakovite
2.5 - 3	Stolzite
2.5 - 3	Whewellite
2.5 - 3.5	Bowenite
2.5 - 4	Lepidolite
2.75 - 3	Wulfenite