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What minerals can be scratched by penny?
nickel
What mineral can be scratched by a penny?
The mineral that can be scratched by a penny is talc. Talc is the softest mineral on the Mohs scale, with a hardness of 1. A penny has a hardness of around 3.5 on the Mohs scale.
Can calcite be scratched by a penny?
No, calcite is harder than a penny and cannot be scratched by it. Calcite has a Mohs hardness of 3, while a penny typically has a hardness of around 3.5 on the Mohs scale.
What can a penny scratched?
Topaz,Calcite Cooprarte
Which mineral can be scratched by glass but not a penny?
The mineral that can be scratched by glass but not a penny is calcite. Calcite has a hardness of 3 on the Mohs scale, which is lower than the hardness of glass (5.5) but higher than that of a penny (2.5).
Which mineral could be scratched by a glass but not by a penny?
minearls
Can a granite scratch by finger nail?
Granite is a hard and durable natural stone, so it is unlikely to be scratched by a fingernail. Fingernails are generally not hard enough to scratch granite surfaces.
What mineral can be scratched by a penny but not a fingernail?
Copper sulfide minerals, such as chalcocite and bornite, can be scratched by a penny but not a fingernail. This is due to the Mohs hardness scale, where these minerals have a hardness greater than a penny (3.5) but less than a fingernail (2.5).
Which rock would be scratched with the finger?
A very soft rock like gypsum or talc would be scratched easily with a finger. Rocks like quartz, granite, or diamond would not be scratched by a finger.
What can be scratched by glass but not a penny quartz apatite topaz or gypsum?
topaz
Can gold be scratched by a penny?
No, gold is a much harder metal than copper, which is found in pennies. Therefore, a penny is not capable of scratching gold.
Which mineral would a penny scratch?
A penny would scratch minerals with a lower hardness rating such as calcite, gypsum, or talc. Minerals like quartz or topaz would not be scratched by a penny because they are harder than the metal in a penny.
