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A few minerals that do not scratch glass come to mind . . . talc, asbestos, mica, for instance.

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11y ago

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What other mineral can scratch a steel knife or window glass?

Diamond is the hardest mineral that can scratch a steel knife or window glass.


What mineral will scratch with a window glass or a knife blade?

A mineral that will scratch with a window glass but not with a knife blade is a mineral with a hardness between 5.5 and 6.5 on the Mohs scale, such as orthoclase or peridot.


What mineral can scratch glass but not steel file?

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What mineral can scratch glass but can be scratched by steel file?

The mineral that can scratch glass but can be scratched by a steel file is quartz. Quartz has a hardness of 7 on the Mohs scale, allowing it to scratch glass, which typically has a hardness of around 5.5. However, a steel file, which has a hardness of about 6.5 to 7, can scratch quartz.


Which mineral will scratch glass (hardness5.5) but not pyrite?

Quartz will scratch glass, as its hardness is usually around 7. Pyrite, on the other hand, has a hardness of 6 to 6.5, meaning it would not be able to scratch glass.


What mineral will scratch glass but not a streak plate?

Diamond is the only mineral that can scratch glass but not leave a streak on a streak plate. Glass has a hardness of around 5.5 on the Mohs scale, while a streak plate typically has a hardness of around 6.5. Diamond, with a hardness of 10, is able to scratch glass but not the streak plate.


What is the hardness of a mineral if it scratches a penny but will not scratch glass?

Between 3.5 and 5.5 on the Mohs scale of mineral hardness.


Will fake diamond cut glass?

Your answer depends on the composition of the 'fake diamond' and the composition of glass. Each mineral has a rating on the Mohs Scale of hardness. The harder mineral will scratch the softer mineral.


Do real diamonds scratch glass?

A diamond has a hardness of 10 on a scale of 10 known as Mohs Hardness Scale. A diamond can scratch any other mineral. It isn't the only mineral that can scratch glass thou, quartz, corundum,garnet, among others


What hardness does a mineral have if it does not scratch glass but scratches an iron nail?

The mineral would have a hardness between 5.5 and 6.5 on the Mohs scale. It cannot scratch glass (hardness of about 5.5) but can scratch an iron nail (hardness of about 4). This places it in the range of minerals like orthoclase feldspar or apatite.


What mineral will scratch glass but not a sreak plate?

A mineral that can scratch glass but not a streak plate is quartz. Quartz has a hardness of 7 on the Mohs scale, which allows it to scratch glass (which has a hardness of about 5.5) but is harder than the streak plate, typically made from porcelain, which has a hardness of around 6-7. Therefore, while quartz can leave scratches on glass, it will not produce a streak on a streak plate.


What mineral can scratch glass has a nonmetallic luster has fracture and is a dark color?

The mineral that fits these descriptions is obsidian. Obsidian is a natural volcanic glass that can scratch glass, has a nonmetallic luster, typically exhibits conchoidal fracture, and is usually a dark color, such as black, dark green, or dark brown.