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Dolomite has a hardness of about 3.5 to 4 on the Mohs scale, which means it can be scratched by materials that are harder, such as a knife blade. Most common knives, made of steel, typically have a hardness greater than 4, so they can scratch dolomite. However, the ease of scratching may depend on the specific type of knife and the condition of both the knife and the dolomite surface.
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Which mineral is scratched dolomite and is scratched by olivine?
potassium feldspar
What mineral can scratch galena and be scratched by dolomite?
The mineral that can scratch galena and can be scratched by dolomite is sphalerite. Sphalerite has a hardness of about 3.5 to 4 on the Mohs scale, which allows it to scratch galena (hardness 2.5 to 3) but can be scratched by dolomite, which has a hardness of 3.5 to 4.
What statement best describe the hardness of the mineral dolomite?
Dolomite has a Mohs hardness of 3.5 to 4, making it relatively soft compared to many other minerals. It can be scratched easily with a knife or nail, but can scratch materials like calcite.
What mineral scratches dolomite but it scratched by olivine?
Quartz scratches dolomite but is scratched by olivine. Dolomite has a Mohs hardness of 3.5-4, while quartz has a hardness of 7. Olivine, on the other hand, has a higher hardness of 6.5-7.
Which mineral scratches dolomite and is scratched by olivine?
Quartz scratches dolomite, while olivine scratches pyroxene.
Can a knife scratch dolomite?
Yes, a knife can scratch dolomite because dolomite is relatively soft, with a Mohs hardness of around 3.5 to 4. This means it is softer than the steel blade of a knife, which typically has a hardness of around 5.5 to 6.5 on the Mohs scale.
What mineral can be scratched with a steel knife or window glass?
apatite with a steel knife feldspar with window glass
What mineral can be scratched with a knife blade or a window glass?
Mineral that can be scratched with a knife blade or a window glass is gypsum.
What minerals can be scratched with a knife?
Minerals that have a hardness less than that of a knife blade (5.5 on the Mohs scale) can be scratched with a knife. These minerals include gypsum, calcite, and talc.
What minerals can be scratched by a knife?
Minerals that can be scratched by a knife typically have a Mohs hardness of less than 5.5. Common examples include talc, gypsum, and calcite, which are softer minerals. A knife, generally made of hardened steel, can scratch these softer minerals, while harder minerals like quartz or diamond cannot be scratched by a knife.
What rock is soft enough to be scratched with a knife?
soapstone
What is the hardness of dolomite?
The hardness of dolomite ranges from 3.5 to 4 on the Mohs scale. It is softer than most other minerals and can easily be scratched by harder minerals such as quartz or topaz.
