what is the specific grevity of sand
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Sand particles composed of quartz have a specific gravity ranging from 2.65 to 2.67. Inorganic clay's generally range from 2.70 to 2.80. Soils with large amounts of organic matter or porous particles (such as diatomaceous earth) have specific gravities below 2.60. Some range as low as 2.00.
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What is the specific gravity of sand?
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Joanne C Wittstock, Decades of interesting and diverse life experience.
Answered Aug 8
If it is a predominantly quartz sand, the specific gravity of the grains will be about 2.65 g/cm^3. Carbonate sands are composed of minerals with a specific gravity of 2.71 g/cm^3 but the grains are frequently porous and consequently will have a lower specific gravity. Dark sands such as the black volcanic beaches of Hawaii have much higher specific gravity because they contain a high percentage of iron rich minerals.
If you are seeking an estimate of a bulk property, you will need to factor in the porosity of the sand, which may be very significant. Potentially in the range of 35%. Weighing a known volume and doing the math is really the best approach if accuracy matters to you.
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Joanne C Wittstock, Decades of interesting and diverse life experience.
Answered Aug 8
If it is a predominantly quartz sand, the specific gravity of the grains will be about 2.65 g/cm^3. Carbonate sands are composed of minerals with a specific gravity of 2.71 g/cm^3 but the grains are frequently porous and consequently will have a lower specific gravity. Dark sands such as the black volcanic beaches of Hawaii have much higher specific gravity because they contain a high percentage of iron rich minerals.
If you are seeking an estimate of a bulk property, you will need to factor in the porosity of the sand, which may be very significant. Potentially in the range of 35%. Weighing a known volume and doing the math is really the best approach if accuracy matters to you.
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