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Which mineral can be scratched by a steel nail?
Calcite is a mineral that can be easily scratched by a steel nail due to its relatively low hardness compared to steel.
Can halite be scratched by a nail?
Halite has a hardness of 2.5 on the Mohs scale, while a fingernail has a hardness of about 2.5 as well. Therefore, halite can be scratched by a nail.
Can fluorite be scratched by a steel nail?
Yes. A steel nail has a Mohs hardness greater than that of fluorite.
Which physical property would be best to use to distinguish hematite from the other mineral?
One physical property that can be used to distinguish hematite from other minerals is its streak color. Hematite typically leaves a reddish-brown streak when scratched against an unglazed porcelain plate. This can help differentiate it from other minerals that may have different streak colors.
A mineral can be scratched by a streak plate but not by a masonry nail.?
If a mineral can be scratched by a streak plate but not by a masonry nail, it indicates that the mineral has a hardness less than that of the streak plate but greater than that of the masonry nail. The Mohs hardness scale helps to categorize minerals based on their scratch resistance, with the streak plate typically having a hardness of about 6. The masonry nail, being softer, has a hardness lower than 6, allowing the mineral to resist scratching by it.
Does hematite have a streak?
Yes, hematite does have a streak. When scratched against a hard, rough surface, hematite leaves a reddish-brown streak due to the presence of iron oxide in its composition.
Can lead be scratched by a nail?
Yes.
Which mineral can be scratched by a steel nail?
Calcite is a mineral that can be easily scratched by a steel nail due to its relatively low hardness compared to steel.
Can sulfur get scratched by a nail?
No, sulfur is harder than a nail so it cannot be scratched by a nail. Nails are typically made of iron, which is softer than sulfur. Therefore, if a nail comes into contact with sulfur, the nail is more likely to scratch than the sulfur.
Can halite be scratched by a nail?
Halite has a hardness of 2.5 on the Mohs scale, while a fingernail has a hardness of about 2.5 as well. Therefore, halite can be scratched by a nail.
Can feldspar be scratched by a nail?
Yes. It is much harder than your fingernail.
Can diamonds be scratched with a nail?
No. Only another diamond can scratch a diamond.
Can nickel be scratched by a nail?
Yes, nickel is softer than steel, so it is possible for a nail to scratch nickel.
Can fluorite be scratched by a steel nail?
Yes. A steel nail has a Mohs hardness greater than that of fluorite.
Can sulfur be scratched by a nail?
No, sulfur cannot be easily scratched by a nail because it is a relatively soft material compared to metals like iron or steel. Sulfur has a Mohs hardness of 1.5–2, while iron nails typically have a hardness of 4-5 on the Mohs scale.
Can talc be scratched by a steel nail?
Yes, because talc is very soft.
What is the mineral that leaves a grey streak and is metallic?
The mineral that leaves a grey streak and is metallic is likely hematite. Hematite is a common iron oxide mineral that has a metallic luster and leaves a grey streak when scratched against a rough surface like unglazed porcelain.
