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What are the two minerals that you can scratch with a fingernail?
Talc and gypsum are two minerals that can be scratched with a fingernail due to their low hardness on the Mohs scale.
Which mineral cannot scratch any mineral by itself?
Talc is the mineral that cannot scratch any mineral by itself. It has a Mohs hardness of 1, making it the softest mineral on the Mohs scale, which means it can be easily scratched by all other minerals.
What mineral you can scratch with your fingernail?
The most commonly known mineral that can be scratched with a fingernail is talc.
What minerals can a steel knife scratch?
A steel knife can scratch minerals with a hardness lower than that of steel, such as gypsum, calcite, fluorite, and talc. Minerals like quartz, topaz, and corundum are harder than steel and cannot be easily scratched by a steel knife.
How can you tell if a mineral can scratch another mineral?
You can tell if a mineral can scratch another mineral by performing a scratch test, where you use the hardness scale to compare the minerals. If the mineral you are testing can scratch the other mineral, then it has a higher hardness on the scale.
What other minerals can scratch Talc?
All of them
Which mineral cannot scratch any of the other minerals?
Talc is the mineral that cannot scratch any of the other minerals on the Mohs hardness scale. It has a hardness of 1, making it the softest mineral. This means that all other minerals, which have a higher hardness rating, can scratch talc, but talc itself cannot scratch any of them.
Which minerals cannot scratch any minerals by itself?
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.
What minerals can gymsum scratch?
Gypsum, which has a Mohs hardness of 2, can scratch minerals that are softer than itself, such as talc (hardness 1) and calcite (hardness 3). Therefore, it can scratch talc but not calcite or any harder mineral. Other minerals that gypsum can scratch include some varieties of gypsum itself, like selenite.
What are the two minerals that you can scratch with a fingernail?
Talc and gypsum are two minerals that can be scratched with a fingernail due to their low hardness on the Mohs scale.
What can scratch gypsum but can be scratched by all other minerals?
Talc can scratch gypsum, but can be scratched by all other minerals. Talc is the softest mineral on the Mohs scale, with a hardness of 1, making it easily scratched by minerals with higher hardness values. Gypsum has a Mohs hardness of 2, so talc can leave a mark on it.
What you find when you scratch mineral over an unglazed tile?
The answer will depend on the mineral. Some minerals, such as talc, are extremely soft and will not mark the tile.
What mineral can scratch talc but is not scratched by calcite?
Diamond can scratch talc but is not scratched by calcite. Diamond is the hardest mineral on the Mohs scale, making it capable of scratching minerals with a lower hardness, like talc.
What is the scratch table of rocks and 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.
Fluorite can scratch which minerals?
Fluorite has a hardness of 4 out of 10 and can scratch gypsum, talc and anything less than 4.
Which mineral cannot scratch any mineral by itself?
Talc is the mineral that cannot scratch any mineral by itself. It has a Mohs hardness of 1, making it the softest mineral on the Mohs scale, which means it can be easily scratched by all other minerals.
Can a fingernail scratch some minerals?
Yes. But only soft ones such as talc (solid form of chalk and baby powder). Generally only minerals below 2 on the hardness scale.
