3 years ago

What are people testing when they scratch a diamond against glass?

2 answers:

8 0

If the diamond is real then it will scratch the glass. so you can tell if a diamond is real by seeing if it scratches glass.

gizmo_the_mogwai [7]3 years ago

8 0

Answer:

Hardness

Step-by-step explanation:

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Step-by-step explanation:

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