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04/08/2022 03:56 pm
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AIG CERT 4ct Paraiba Tourmaline ~ Mozambique

存貨單位
尺寸(毫米)
11.650 x 8.790 x 5.290mm
重量 (cts)
4.000
Certified Gemstones
是的
Treatment
No Treatment
類型
Faceted
顏色

In 1988 exceptionally bright colored tourmalines were discovered in Paraíba, Brazil. It was determined that they were elbaite tourmalines and the intense coloring was due to copper. They also contained manganese and often a bit of bismuth. These stones generated great excitement and prices soon went over $20K per carat.

Soon after the original discovery, similar tourmalines were found in Brazil’s Rio Grande Do Norte state, just north of Paraíba state. This new find was also described as “paraíba tourmaline.”

In 2001, more copper colored tourmalines were discovered in Nigeria. Generally, the Nigerian gemstones were not as vivid as those from Brazil, although the range of colors did overlap. With the proper equipment, the Nigerian material can be distinguished by its lead content, which the Brazilian material lacks.

A couple years later, still more copper bearing tourmalines were discovered, this time in Mozambique. Their colors are much closer to those of the Brazilian, but their chemical composition is much more complex, with varying amounts of copper, magnesium, lead, and bismuth. A large number of these tourmalines do not contain any lead and have compositions that overlap those of the Brazilian tourmalines.

Shipping Rates of DHL has been changed for these countries i.e $35 (Argentina,Bulgaria,Colombia,Egypt,Finland,Iceland,Iran,Kuwait,Madagascar,Norway,Qatar,Russian Federation,Saudi Arabia,South Africa,Turkey,Ukraine,United Arab Emirates,Zimbabwe)

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世界其他地區
Standard Shipping - Tracked 對包含 2 或更多商品的訂單折扣為 $15.00
FedEx $30.00 / :幾天天 $30.00 / :幾天天
:國家
FedEx 對包含 3 或更多商品的訂單折扣為 $30.00
世界其他地區
FedEx 對包含 3 或更多商品的訂單折扣為 $30.00

theroyalgem
theroyalgem
We provide unique and quality gems in a variety of sizes mostly from Pakistan and Afghanistan. We can provide other stones on customer's demand. We believe in our customer's satisfaction. We want to make a bond of friendship not just a buyer ans seller relation. Hope you enjoy the purchase from our store. Thanks
:城市,國家
已驗證
:總反饋

  • rreed0926
    rreed0926
    積極的

    Paid and shipped - no feedback left after 100 days

  • pigwig
    pigwig
    積極的

    Paid and shipped - no feedback left after 100 days

  • ozboy7
    ozboy7
    積極的

    Great seller. Fast response, looking forward to further business

審計

該產品已由 Gemstone Sheriff 審核,他們發現以下內容:
  • 描述準確
  • 圖片準確

Comments

The Verified Seller has provided accurate and complete information for this item including weight, dimensions, and treatment.

最後更新:日期

送貨細節

船運:
$15.00 :通過 Standard Shipping - Tracked 計算天數
發貨自:
Thailand

付款方式

  • paypal

概述

列表類型 : Standard
產品編號 : 1040503
開始 : 24th July 2022 07:49 am PDT
* 所有價格均以:貨幣為單位