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What is the harness of a mineral if it scratches a penny but will not scratch glass?
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∙ 12y ago
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How do you get scratches out of glass and Plexiglas?
They are Janvil. Their site is http://www.janvil.com . They have glass scratch removers for glass scratches and plastic polish
How can a genuine diamond be identified without the use of tools?
scratch it against glass if the glass scratches its diamond
A crystal scratches glass does that mean it is a diamond?
You can verify a diamond by taking it to a jeweler, who can verify which stone you're using to scratch glass.
Can florite scratch glass?
no
How can you tell the difference between glass and genuine rock agate?
Quartz agate would scratch glass. Glass would not scratch quartz agate.
What is the hardness of an unknown mineral that scratches glass but will not scratch quartz?
6.0
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.
What hardness does a mineral have if it does not scratch glass but scratches an iron nail?
The hardness of glass is around 6, and the hardness of iron is about 5. So your mineral is probably around a 5.5.
How do you get scratches out of glass and Plexiglas?
They are Janvil. Their site is http://www.janvil.com . They have glass scratch removers for glass scratches and plastic polish
An unknown mineral scratches glass but will scratch quartz What measure om the mohs scale shows its hardness?
The unknown mineral is not a mineral, or the pieces being scratched or doing the scratching are not freshly fractured or cleaved surfaces.
Which mineral will scratch glass but not pyrite?
orthoclase
What does a mineral have if it is scratches by glass but scratches an iron nail?
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
How can a genuine diamond be identified without the use of tools?
scratch it against glass if the glass scratches its diamond
What mineral will scratch with a window glass or a knife blade?
Diamond will scratch anything.
What mineral will not scratch glass?
A few minerals that do not scratch glass come to mind . . . talc, asbestos, mica, for instance.
How to make a glass scratch-less?
I found a company that makes a few different products for glass and Plastic.They are Janvil. Their site is janvil.com . They have glass scratch removers for glass scratches and plastic polish
Which mineral will scratch glass but will be scratched by a nail?
quartz
