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Gypsum
Hardness
Mineral
Associations and Uses
1Talc (Softest)Talcum powder. (can be scratched by a fingernail.)
2GypsumPlaster of paris.
Gypsum is formed when seawater evaporates from the Earth's surface. (May be scratched by a fingernail or by a copper coin.)
3CalciteLimestone and most shells contain calcite.
(Can be scratched by a steel pocket knife or sometimes a copper coin. Will scratch a fingernail, may scratch a copper coin.)
4FluoriteFluorine in fluorite prevents tooth decay.
(Can be scratched by a steel pocket knife. Will scratch a fingernail and a copper coin.)
5ApatiteWhen you are hungry you have a big "appetite".
(Can be scratched by a steel pocket knife. Will scratch a fingernail and a copper coin.)
6OrthoclaseOrthoclase is a feldspar, and in German, "feld" means "field".
(Will not scratch glass but will scratch steel blades, copper coins & fingernails.)
7Quartz (Will scratch glass, steel blades, copper coins & fingernails.)
8TopazThe November birthstone. Emerald and aquamarine are varieties of beryl with a hardness of 8. (Will scratch glass, steel blades, copper coins & fingernails.)
9CorundumSapphire and ruby are varieties of corundum. Twice as hard as topaz.
(Will scratch glass, steel blades, copper coins & fingernails.)
10Diamond (hardest)Used in jewelry and cutting tools. Four times as hard as corundum.
(Will scratch all of the above.)
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∙ 12y ago
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Which mineral has the same hardness as a fingernail?
Gypsum has a hardness of 2 on the Mohs scale, which is similar to the hardness of a fingernail.
Can halite be scratched by a fingernail?
Yes, halite is a soft mineral with a Mohs hardness of 2.5, which is lower than the hardness of a fingernail (2.5 on the Mohs scale). This means that halite can easily be scratched by a fingernail.
What property are you testing if you scratch a mineral with a penny a nail and your fingernail?
When you scratch a mineral with a penny, nail, and your fingernail, you are testing the mineral's hardness. The ability to scratch or be scratched by certain materials helps determine the mineral's hardness on the Mohs scale of mineral hardness.
What mineral you can scratch with your fingernail?
Talc is a mineral that is soft enough to be scratched by a fingernail. It has a Mohs hardness of 1, making it one of the softest minerals.
Can talc be scratched by a fingernail?
Yes, talc is a mineral with a Mohs hardness of 1 and can be easily scratched by a fingernail, which has a hardness of around 2.5.
Which mineral has the same hardness of a fingernail?
The mineral that has a similar hardness to a fingernail is gypsum. Gypsum has a Mohs hardness of 2, which makes it soft enough to be scratched by a fingernail.
Which mineral has the same hardness as a fingernail?
Gypsum has a hardness of 2 on the Mohs scale, which is similar to the hardness of a fingernail.
Can halite be scratched by a fingernail?
Yes, halite is a soft mineral with a Mohs hardness of 2.5, which is lower than the hardness of a fingernail (2.5 on the Mohs scale). This means that halite can easily be scratched by a fingernail.
What mineral property are you testing if a fingernail scratches a mineral?
If a fingernail can scratch a mineral, you are testing the mineral's hardness. Hardness is a measure of a mineral's resistance to being scratched by other materials. Minerals are ranked on the Mohs scale of hardness from 1 (softest) to 10 (hardest).
What is used to test the hardness of a a mineral?
The Moh's scale is used to test the hardness of a mineral. It will be tested by a fingernail scratching it.
What is the fingernail test?
The fingernail test is for minerals and if a mineral is soft then you stick your fingernail in the mineral and if it is below 10 on the moh's hardness scale then it can put a dent into the mineral hope that helps!!
What property are you testing if you scratch a mineral with a penny a nail and your fingernail?
When you scratch a mineral with a penny, nail, and your fingernail, you are testing the mineral's hardness. The ability to scratch or be scratched by certain materials helps determine the mineral's hardness on the Mohs scale of mineral hardness.
What mineral you can scratch with your fingernail?
Talc is a mineral that is soft enough to be scratched by a fingernail. It has a Mohs hardness of 1, making it one of the softest minerals.
Can talc be scratched by a fingernail?
Yes, talc is a mineral with a Mohs hardness of 1 and can be easily scratched by a fingernail, which has a hardness of around 2.5.
Which mineral can be scratched by a fingernail?
Talc is a mineral that can be easily scratched by a fingernail. It has a Mohs hardness of 1 on a scale from 1 to 10, with 10 being the hardest (diamond).
How is mineral hardness tested?
Mineral hardness is tested on a glass plate or usually a finger nail.
Which mineral can be easily scratched by a fingernail has a cleavage metallic luster and has a black streak?
Well you see, it's pretty simple. If a fingernail has a hardness of 2.5, and the question is asking what mineral can easily be scratched by a fingernail. Well then it is Graphite. It has a less hardness than your fingernails.
