Diamonds are proven to scratch all minerals including itself.
gypsum can
The human fingernail can just scratch gypsum, but is softer than all other minerals.
The scratch table is called the Mohs Scale of Mineral Hardness and measures the hardness of minerals in relation to the known hardest (diamond) and softest (talc) minerals.
yes.
jamaica
Diamond is the hardest naturally occurring mineral and can scratch all other minerals. Talc is the softest of minerals and cannot scratch any other mineral.
Diamonds are proven to scratch all minerals including itself.
it can scratch fluorite
Talc is supposed to be too fragile to cause a scratch on the majority of minerals.
gypsum can
The human fingernail can just scratch gypsum, but is softer than all other minerals.
The scratch table is called the Mohs Scale of Mineral Hardness and measures the hardness of minerals in relation to the known hardest (diamond) and softest (talc) minerals.
yes.
calcite
Diamond
All of them