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Prices change, and you need to say what server you are on.
Depends on the particular purplish crystal. Amethyst is not too expensive but other purplish crystals expensive. So it depends.
Gem stones begin as ores and crystals. They are mined and then cut and polished to be put into jewelry.
The gemstone tourmaline is found in Maine, and is the Maine state gemstone. Other things mined in Maine include gold, mica, and large crystals of beryl and quartz.
no
A mine in which calcium crystals is mined, mostly found in southern Illinois & some eastern Kentucky counties.
Yes,the crystals are so big to earn money
Highly variable, depending upon size, quality, locality, etc. A small, damaged druse of crystals from Mexico might fetch $10, a superb cabinet specimen with large perfect crystals from Sicily might fetch thousands.
Crystals are about 12 dollars.
Swarvoviski crystals undergoe strenuous testing and therefore usually cost more.
The U.S. produced about $1.21 billion worth of usable iron ore in 2001, down from the $1.56 billion shipped in 2000.