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Amethyst, a variety of quartz, has a hardness rating of 7 on Mohs scale.

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16y ago

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Why is emerald expensive and amethyst is not?

Its expensive because, Emeralds are super hard to find today, but Ameythyses are found easly in gemstone mines.


What is the most expensive amethyst ever sold?

I believe it sold for a whopping $100,000,930,099 in a US auction in Oklahoma in 1969.


What is the Kannada word for 'amethyst'?

the kannada word for amethyst is padmaraga


Is a amethyst a nonmetal?

No, amethyst is not a nonmetal. Amethyst is a variety of quartz, which is a mineral and not classified as a metal or nonmetal.


What is the latin name for amethyst?

amethyst


Why is feburary's birthstone amethyst?

Amethyst


What is amethyst called in Tamil?

Amethyst is cukantiyum in Tamil.


What type of rock is amethyst quartz?

yes, it is. amethyst is a purple type of quartz.


How much are purple crystals worth?

Depends on the particular purplish crystal. Amethyst is not too expensive but other purplish crystals expensive. So it depends.


Is amethyst a rare stone?

Aquamarine is a semi-precious stone that is considered a common gemstone.


What is the price of a amethyst?

Amethyst is a semiprecious gemstone, and is not very expensive to buy. When buying an amethyst one must look for an intense and uniform purple color with no inclusions. Even a small inclusion will reduce the price of the gem. Due to its abundant availability there is not much of a difference in medium quality gem and commercial quality. But excellent beautiful natural untreated amethyst can command good price. A small 3 ct stone can cost up to USD 5 per carat whereas a high quality big size amethyst gem stone could cost up to 50 USD per carat.


How do you use amethyst in a sentence?

The birthstone of February is the amethyst.