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$15,000.00 USD
价格
1163
14

Flawless 31.40Ct Excellent Fine Cut Natural Blue Green Tourmaline

存货单位
尺寸(毫米)
18.220 x 15.510 x 14.390mm
重量 (cts)
31.400
Treatment
No Treatment
类型
Faceted
Shape
Cushion
颜色

Tourmaline is the alternate Birthstone for October, along with the Opal. The stone was first discovered by Dutch traders off the West Coast of Italy, in the late 1600's or early 1700s. The name tourmaline comes from the Sinhalese term “turmali,” which was the name given to all colored crystals on the island of Sri Lanka at that time.Tourmaline is the most colorful of all gemstones. It occurs in all colors, but pink, red, green, blue and multicolored are its most well-known
gem colors. Scientifically, tourmaline is not a single mineral, but a group of minerals related in their physical and chemical properties. The mineral Elbaite is the member of the Tourmaline group that is responsible for almost all the gem varieties. Three other members of the group - Schorl, Dravite and Liddicoatite, are seldom used as gemstonesThough Elbaite occurs in all color forms, the term Elbaite in the gemstone trade is sometimes used to describe the green form of Tourmaline.

The other color forms of Elbaite have their own variety names on the gem market. Traditional Tourmaline gemstone variety names include Rubellite, the red or pink variety, Indicolite, the blue variety, and Watermelon Tourmaline, a multicolored Tourmaline of green and red. More recently coined Tourmaline variety names include Chrome Tourmaline and Paraiba Tourmaline. A recent trend in the gem market is to prefix Tourmaline gemstones by the color designation as opposed to variety name, such that "Rubellite" is now more often called "Red Tourmaline".

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gemsofafrica
gemsofafrica
A Team from Kenya Working Hard to get you the Highest Quality Gems.
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  • casey0403
    casey0403
    中性的

    UV light SW and LW test showed no fluorescent . Microscope test showed fissures filled possibly w-glass resulting in orangish pink color on the half side of the stone. AIG reported HT inaccurately avoiding to state this gem was heavily infiltrated.

审计

该产品已由 Gemstone Sheriff 审核,他们发现以下内容:
  • 描述准确
  • 图片准确

Comments

The Verified Seller responsible for this item has diligently provided us with accurate and comprehensive information, encompassing crucial details such as weight, dimensions, and treatment. It is important to reiterate our commitment to upholding the highest standards of integrity and transparency in the gemstone industry. As part of our policy, we strictly permit the sale of exclusively natural gemstones that have been sourced directly from the Earth. However, in the event that a gemstone has undergone any form of treatment, it is mandatory for the seller to provide full disclosure regarding the treatment process. Furthermore, we would like to emphasize that man-made gemstones, including simulants and imitations, are strictly prohibited on our platform. We prioritize the promotion of authentic, natural gemstones to ensure a genuine and trustworthy marketplace for our valued customers. Should you have any further inquiries or require additional assistance, please do not hesitate to reach out. We are here to assist you and provide a seamless experience on Gem Rock Auctions.

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送货细节

船运:
$15.00 :通过 Standard Shipping - Tracked 计算天数
发货自:
Thailand

付款方式

  • paypal
该卖家在 Thailand 的交易中添加 1.00% 税。

概述

列表类型 : Standard
产品编号 : 1919595
开始 : 25th October 2024 03:47 am PDT
* 所有价格均以:货币为单位