Input interpretation
![aluminocopiapite (mineral) | Mohs hardness](../image_source/f8779aa989c659d14c879f18d58f110b.png)
aluminocopiapite (mineral) | Mohs hardness
Result
![2.75](../image_source/c33aba21d25205880a1f9c5e01ca2f44.png)
2.75
Hardness comparisons
![harder than a fingernail (Mohs 2.5)](../image_source/65f47e8b58848a53a906cc54fec2b731.png)
harder than a fingernail (Mohs 2.5)
![softer than calcite (Mohs 3)](../image_source/528aac1901f04010d0e1defa40d7b539.png)
softer than calcite (Mohs 3)