What is the approximate specific gravity of diamond?

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Study for the DCA Gemology Test. Utilize flashcards and multiple-choice questions, each question offering hints and explanations. Prepare effectively for your exam with confidence!

Multiple Choice

What is the approximate specific gravity of diamond?

Explanation:
Specific gravity is the density of a material relative to water. Diamond’s tightly packed carbon crystal structure gives a density around 3.5 g/cm3, so its specific gravity is about 3.52. This value sits between the lighter quartz (about 2.65) and the denser minerals near or above 4.0, which is why 3.52 is the standard approximate SG for diamond. The other numbers don’t fit because they reflect densities farther from diamond’s actual density.

Specific gravity is the density of a material relative to water. Diamond’s tightly packed carbon crystal structure gives a density around 3.5 g/cm3, so its specific gravity is about 3.52. This value sits between the lighter quartz (about 2.65) and the denser minerals near or above 4.0, which is why 3.52 is the standard approximate SG for diamond. The other numbers don’t fit because they reflect densities farther from diamond’s actual density.

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