Amethyst is the most precious quartz mineral and comes in a few distinct colors including violet, purple, rose, lavender and mauve. When it comes to value, the most valuable color is that of a deep purple with tinges of violet.
Mohs scale hardness 7
Amethyst Treatments:-
Heat treatment between 878 - 1382 degrees F (470 - 750 degrees C) produces light yellow, red-brown, green, or colorless varieties. The original color an be restored by X-ray radiation. - Gemstones of the world, Walter Schumann, 2001, p 118
Significant Gem Localities:- Amethyst can be found in many parts of the world; Brazil, Uruguay, Madagascar Germany, Russia. other place :- Afghanistan, Bolivia, Cambodia, Canada, India, Kenya, Mexico, Namibia, Nigeria, Peru, South Korea, Sri Lanka, Uruguay, USA
WEIGHT PER PIECE OF AMETHYST
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OVAL SHAPE
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OCTAGON SHAPE
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PEAR SHAPE
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ROUND SHAPE
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SQUARE SHAPE
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SIZE
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WEIGHT
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SIZE
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WEIGHT
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SIZE
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WEIGHT
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SIZE
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WEIGHT
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SIZE
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WEIGHT
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5*3MM
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0.23
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5*3MM
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0.33
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5*3MM
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0.21
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3MM
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0.11
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3*3MM
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0.15
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5*4MM
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0.33
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6*4MM
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0.57
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6*4MM
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0.4
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4MM
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0.22
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4*4MM
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0.35
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6*4MM
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0.45
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7*5MM
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0.95
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7*5MM
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0.61
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5MM
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0.46
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5*5MM
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0.66
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7*5MM
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0.75
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8*6MM
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1.6
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8*5MM
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0.95
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6MM
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0.8
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6*6MM
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1
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8*6MM
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1.18
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9*7MM
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2.15
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8*6MM
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1.16
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7MM
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1.25
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7*7MM
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1.75
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9*7MM
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1.65
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10*8MM
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2.9
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9*6MM
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1.3
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8MM
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2
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8*8MM
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2.7
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10*8MM
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2.46
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11*9MM
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4.1
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10*7MM
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1.75
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9MM
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2.25
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10*10MM
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4.05
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11*9MM
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2.97
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12*10MM
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5.5
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12*8MM
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2.52
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10MM
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2.87
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12*10MM
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3.76
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14*10MM
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7.1
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14*10MM
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5.05
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