Yes. Barite is able to scratch any other mineral, or rock composed of minerals, with an equivalent or lower Mohs hardness rating (Barite: Mohs 3-3.5).
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Yes, barite is a relatively soft mineral with a Mohs hardness of 3-3.5, so it can be easily scratched by harder minerals. It is unlikely to scratch most common minerals or rocks, but can be scratched by harder minerals such as quartz or topaz.
Yes, quartz is considered a hard mineral ranking 7 on the Mohs scale of hardness, making it able to scratch most other minerals. However, there are harder minerals such as diamond and corundum that can scratch quartz.
Yes, copper is a relatively soft metal with a Mohs hardness of about 3. This means it is softer than many common rocks and minerals, so it can scratch them. However, some harder minerals like quartz or corundum can scratch copper.
Yes, magnetite is a hard mineral with a Mohs hardness of 5.5-6.5. It can scratch minerals with a lower hardness but can be scratched by harder minerals.
Only a diamond can scratch another diamond due to its high hardness on the Mohs scale. Other rocks or minerals typically cannot scratch a diamond because they are not as hard.
Gypsum a+