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$34.00 USD
Cijena
6464
22

AMAZONITE CLUSTER-USA 52.90 CTS [MX8623]

SKU
Dimenzije (mm)
x x mm
Težina (cts)
Certified Gemstones
Ne
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Specimen
Boje

MINERAL GEM WORLD

AMAZONITE

This is a natural specimen from  Colorado usa.It is a well formed  cluster ideal  for any collection.

Weight 52.90 cts

Size 29 x 23 x 17 mm app

Amazonite (sometimes called "Amazon stone") is a green variety of microcline feldspar.

The name is taken from that of the Amazon River, from which certain green stones were formerly obtained, but it is doubtful whether green feldspar occurs in the Amazon area.

Amazonite is a mineral of limited occurrence. Formerly it was obtained almost exclusively from the area of Miass in the Ilmen mountains, 50 miles southwest of Chelyabinsk, Russia, where it occurs in granitic rocks. More recently, high-quality crystals have been obtained from Pike's Peak, Colorado, where it is found associated with smoky quartz, orthoclase, and albite in a coarse granite or pegmatite. Crystal Park, El Paso County, Colorado is a well-known locality for crystals of amazonite. Some other localities in the United States yield amazonite, and it is also found in pegmatite in Madagascar and in Brazil.

Because of its bright green colour when polished, amazonite is sometimes cut and used as a gemstone, although it is easily fractured.

For many years, the source of amazonite's color was a mystery. Naturally, many people assumed the color was due to 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. (Hoffmeister and Rossman, 1985)

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sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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  • gemarab
    gemarab
    Pozitivan

    Great and clear sapphire, beautiful cut ! Great packaging

  • js20031
    js20031
    Pozitivan

    AAAA+++ Very Happy! Just like the pic.

  • js20031
    js20031
    Pozitivan

    AAAA+++ Very Happy! Just like the pic.

Revizija

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Detalji dostave

dostava:
$16.00 21 days putem Registered Shipping
Brodovi iz:
Australia

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  • paypal
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Ovaj prodavač dodaje 10.00% porez na transakcije u Australia.

Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 217270
Počinje : 7th November 2024 07:00 pm PST
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