To find specific gravity, divide the weight of the amethyst by the weight of the displaced water. This is the weight of the displaced water. If it were not for its abundance in nature, amethyst would. Subtract the beaker's original weight from this number. UNUSUAL PROPERTIES: A purple variety of quartz, amethyst is a semi precious yet popular gemstone.

Weigh the beaker again, with the displaced water in it.

Put in the amount of water that the mineral displaced.

Remove the amethyst and drain the water.

Subtract the level the water is at now from its original level. Then, partially fill the beaker with water and write down the amount of water, as measured by the beaker. Then, write down the weight of the amethyst.

To start, write down the weight of the beaker.

X Research source You can measure specific gravity with a beaker, big enough to fit your piece of amethyst in, and a scale. For amethyst, specific gravity should be around 2.65.

Specific gravity is a term used by jeweler's to ascertain the rough density of a gem. X Trustworthy Source Gemological Institute of America Nonprofit institute responsible for gemological research and education and setting gemstone buying and selling standards Go to source Authentic amethyst may have some color zoning, which can lessen its value, that's typically visible when the gem is laid flat on a white surface. X Research source This may occur in amethyst gems. The name is originated from an Ancient Greek term which means not intoxicated and. Color zoning is the uneven distribution of color in a gemstone. Amethyst is a semi-precious gemstone and a violet variant of quartz stone.

Your gem should have different hues of purple throughout and color may change slightly in response to different lighting. Color will not be entirely consistent in authentic amethyst.Some may be so dark that, under light, they appear blackish. Pending the grade, the Amethyst crystal price for wholesale purchases can range from 10 - 100 per kg. Thiscombined with the size of the wholesaleyields a grade ranging from A-D, onward. Some amethyst gems may be so light there is only a light purple glimmer. What drives up the value for geodes is attractive formations like stalactites or calcite. Some gems may have a slightly reddish undertone, but should still remain primarily purple.

Value of amethyst gemstone