Question

What property of the mineral diamond allows diamond powder to be used to shape gems for jewelry?

Answer 1

hardness.

Explanation:

The tetrahedral shape of the carbon bonds causes the diamond to be the hardest of all minerals. A diamond can cut and scratch any other material found on earth.

The hardness of the diamond structure extends to even the diamond powder making it the hardest abrasive known to man.
Diamond dust is glued to saw blades to make them last longer and cut better. Diamond powder can shape any substance except another diamond including very hard gem stones.