Brazilian Amethyst

by admin on June 16, 2008

Brazilian Amethyst

Brazilian Amethyst

Amazonite Gemstones

The most common minerals in the world are the feldspars, which make up nearly 60% of the earth's crust. Given the ubiquity of feldspar, it is somewhat surprising that there are so few feldspar gemstones. By contrast, another very common mineral, quartz, has as least a dozen well-known gemstone varieties, including amethyst, citrine, tiger's eye, chalcedony and agate.

There are two main subgroups of feldspar that produce gem-quality material: the potassium feldspars and the plagioclases, a series that ranges from calcium to sodium feldspars. Among the feldspar gemstones are moonstone, orthoclase, amazonite, andesine, labradorite and sunstone.

Amazonite, moonstone and orthoclase are all potassium feldspars. They have a hardness of 6 to 6.5 on the Mohs scale, and a vitreous luster. Moonstone is a very well-known gemstone, but orthoclase and amazonite are not.

Amazonite is a gemstone variety of green microcline. It is named after the Amazon river in Brazil, though surprisingly no deposits have been found in that location. The story is that some green stones were once found in the Amazon river area, but mineralogists believe that there is no green feldspar there, though there are deposits elsewhere in Brazil.

The lively green or blue-green color of amazonite can be quite beautiful when polished. Since amazonite is an opaque stone, it is usually fashioned as cabochons. It is a medium-hard material, rating 6 to 6.5 on the Mohs scale, so it is not ideally suited to rings. But it makes very attractive earrings and pendants.

For many years, the source of amazonite's color was a mystery. Many people assumed the color was due to traces of copper because copper compounds often have blue and green colors. More recent studies suggest that the blue-green color results from small quantities of lead and water in the feldspar.

Amazonite is found in relatively few locations in the world. At one time it was found almost exclusively in Russia, in the Ilmen mountains. More recently, deposits have been found in the USA (Colorado), Brazil and Madagascar.

Amazonite is said to calm one's emotions and soothe nerves, and to enhance creativity and the ability to express oneself. Perhaps the strongest recommendation for its metaphysical power is that Amazonite is said to make your married life happier.

About the Author

GemSelect is a leading online dealer in fine gemstones, specializing in sapphire, spinel, garnet, tourmaline and zircon. Amazonite Gemstone Information

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1.84ct Brazilian Amethyst and Diamond 10K Ring

I was in Napa,CA last year and bought "grapes" made with Brazilian gem stones.?

Apparently they are made with semi-precious stones, Amethyst, Agate etc, real cute. I also bought a set of napkin rings as a gift with small clusters attached.
The Winery I bought them in does not have them in stock anymore, and lost contact to the company that sold them.
Can anyone assist, please?

You could check with your nearest Brazilian Consulate, they might be able to put you in contact with a local importer, or at least the Brazilian supplier. It would be a first step. Otherwise a giftware distributor might help.

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Sterling Silver Brazilian Amethyst Open Heart Pendant Necklace, 18 Sterling Silver Brazilian Amethyst Open Heart Pendant Necklace, 18"

 
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JIC Gem Natural Light Color 5.5-6LB 25-35Pcs Brazilian Amethyst Cluster Druzy, Collection, Wire Wrap, Jewelry Making, Gift JIC Gem Natural Light Color 5.5-6LB 25-35Pcs Brazilian Amethyst Cluster Druzy, Collection, Wire Wrap, Jewelry Making, Gift

 
Rough Amethyst Flat Box - Box Size 7.5x5x2 Rough Amethyst Flat Box - Box Size 7.5x5x2" - Brazilian Crystals - Crystal Collection - Reiki Crystals Rock Paradise Exclusive COA (Amethyst)

 
Gemstone Pyramid w/ Double Metaphysical Info Card (Brazilian Amethyst) (1pc) Gemstone Pyramid w/ Double Metaphysical Info Card (Brazilian Amethyst) (1pc)

 
Amethyst Unprocessed Brazilian Hair Afro kinky curly Clip In Human Hair Extensions 100g Human Hair Clip-in Wefts For African Americans 7pcs/set 8pcs/set 10pcs/set (10inch, 10pcs/set) Amethyst Unprocessed Brazilian Hair Afro kinky curly Clip In Human Hair Extensions 100g Human Hair Clip-in Wefts For African Americans 7pcs/set 8pcs/set 10pcs/set (10inch, 10pcs/set)

 

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