Question: What is the specific gravity of gemstones?

What is the density of a gemstone?

Gemstone Density: The Definitive Guide

Gem Variety Density Chemical Composition
Sapphire 3.95-4.03 Aluminum oxide
Star Sapphire 3.95-4.03 Aluminum oxide
Zircon 3.93-4.73 Zirconium silicate
Almandine Garnet 3.93-4.30 Iron aluminum silicate

What is the specific gravity of ruby gemstone?

Rubies are fairly dense—the specific gravity ranges from 3.95 to 4.10 but most is almost exactly 4.00.

Which gemstone is the heaviest?

The largest precious gemstone ever found, yet unfaceted, is the Bahia Emerald weighing approximately 840lbs (381kg) (containing more than 180,000 carats) originated from Bahia, Brazil and is emerald crystals embedded in host rock.

How do you find the specific gravity of a stone?

Divide the rock density by the density of water to calculate the specific gravity. Since the water density is 1 g/cubic cm (at 4 Celsius) then the specific gravity in our example will be 2.55 g/cubic cm / 1 g/cubic cm or 2.55.

What is sapphire specific gravity?

Table of Specific Gravity Values

Gemstone Density
Sapphire 3.95-4.03
Durangite 3.94-4.07
Zircon 3.93-4.73
Almandine garnet 3.93-4.30

What is specific gravity of diamond?

Diamond has a specific gravity of 3.52, which means that it is about three-and-a-half times heavier than an equal volume of water.

What is the specific gravity of Peridot?

Peridot is fairly dense with a specific gravity (weight of the crystal compared to the weight of an equal volume of water) ranging from about 3.27 to 3.37.

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