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Topaz,Calcite Cooprarte
What else can I help you with?
Can granite be scratched by a penny?
no
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.
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
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).
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.
How hard is a penny?
a penny has a hardness of 3 depending on what it is being scratched on.
How much would a scratched up 1900 penny and a mint condition 1902 penny be worth pooled together?
The scratched coin is probably worth less than $1. Depending on the amount of tarnish if any on the 1902 coin, its retail value as of 07/2008 could be anywhere from $20 to $30.
