Amethyst is a mineral. Minerals can be found in all three types of rocks. The crystals are most commonly found inside geodes, making it classified a sedimentary rock.
Amethyst is quartz mineral crystal with a purplish tint derived from iron impurities.
Amethyst is actually a form of the mineral quartz.
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Amethyst is a purple variety of the mineral quartz which is composed of silicon dioxide.
Geodes. I think.
Amethyst is a variety of quartz crystal.
gem
Amethyst is an igneous rock. It is quartz which has been stained purple by mineral impurities.
The crystalline mineral amethyst is a variety of quartz and may be found in situ (in place in the rock it was formed in) in small cavities called Vughs mainly in rocks of volcanic origin. This is not very helpful if you want to find them easily. perhaps the best place to find them easily is on the seashore, where amethyst pebbles can often be found where streams have intersected volcanic rocks on their way to the sea and washed down the amethysts onto the gravelly beach deposits.
Amethyst is purple quartz.
Amethyst is mainly used in decoration and jewelry.
a amethyst is about 4-billion years old
yes, it is. amethyst is a purple type of quartz.
Amethyst Rock Star was created on 2001-05-08.
Amethyst is a mineral, a form of quartz.
Amethyst is an igneous rock. It is quartz which has been stained purple by mineral impurities.
You can try this site. They have a few of those: http://www.buy-a-rama.com/?q=amethyst+rock&button=GO!
amethyst halite
Your more likely to find amethyst crystals in Geodes.
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Amethyst is a purple/violet variety of Quartz, which is Silicon Dioxide (SiO2)
Amethyst is a type of mineral, and is also a purple color. Her ring has a large amethyst in the center. The amethyst robes of the choir look good against the dark walls.
The Density of an Amethyst Rock is 2.65 according to many sites.
South Carolina's state rock is Blue Granite! The state gem is Amethyst!