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Amethyst round Amethyst square Amethyst oval Amethyst pear Amethyst marquise Amethyst octagon Amethyst heart Amethyst trillian

Amethyst

Chemical Formula SiO2

Amethyst comes from the Quartz family. It gets its violet because of the presense of the trace element iron and aluminium. Amethysts naturally occur in nature and are not treated. Major sources of Amethyst are USA, Brazil, South Korea, Russia and Austria.

We carry Amethysts in calibrated sizes in several shapes such as rounds, ovals, marquise, cushions, etc in various sizes. For more information on the sizes we usually keep in calibrated sizes, please click here.

We can also cut precision cut Amethyst, this is finely cut and crafted to bring the maximum brilliancy into it. This is done with the help of automated machines and skilled labour. For your demands in precision cut, please contact us for more information.

We can accomodate pairs, layouts and single unique Amethyst. Also perfected is the art of special cuts or custom cuts. This is suited to fit your specifications and can be any shape and/or cut of your choice. For your requirements, please contact us.

Crystal Habit 6 sided prism ending in 6 sided pyramid
Crystal System Rhombohedral
Cleavage None
Fracture Conchoidal
Hardness (Mohs Scale) 7
Luster Vitreous
Refractive Index

nω = 1.543–1.553

nε = 1.552–1.554

Optical properties Uniaxial (+)
Birefringence +0.009
Pleochroism None
Streak White
Specific Gravity 2.65
Melting point 1650 +/- 75 celsius
Fusibility Infusible
Solubility H2O Insoluble
Other Characteristics Piezoelectric

 

Amethyst - Calibrated Sizes

We make the following calibrated sizes in amethyst and can even make other in-between sizes as well. For rounds, we can cut step cut and brilliant cut (diamond cut) or star cut. For squares, we can cut step cut and princess cut and and special cuts such as french cut as well. If you have a particular cut or shape or design, we can do that according to your specifications. We have various shades of Amethyst starting from AAA (3A), AA (2A), A (1A), B and C (Lightest)

Oval / Cushion
3x2
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
10x8
& bigger
Pear
3x2
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
10x8
& bigger
Round
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
& bigger
Square / Cushion
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
& bigger
Marquise
3x1.5
4x2
5x2.5
6x3
7x3.5
8x4
9x4.5
10x5
12x6
14x7
& bigger
Baguette
3x1.5
4x2
5x2.5
6x3
7x3.5
8x4
9x4.5
10x5
12x6
14x7
& bigger
Octagon
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
10x8
& bigger
Heart
3.0
3.5
4.0
4.5
5.0
5.5
& bigger
Trillion
3.0
3.5
4.0
4.5
5.0
5.5
& bigger
Drop / Briollet
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
10x8
& bigger

 

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