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$81.00
予約が満たされていません
現在の入札額
1
入札
03/12/2024 10:00 am
1
520
2

Rarest Hackmanite 0.93 ct UV Fluorescence Color change

SKU
寸法(mm)
8.120 x 5.420 x 3.740mm
重さ (CT)
0.930
Treatment
No Treatment
Shape
Cushion
タイプ
Faceted
Clarity
SI

Terms and Conditions

Hackmanite is a rare mineral that belongs to the halide mineral group. It is a translucent to transparent mineral with a vitreous luster and typically exhibits a yellow to greenish-yellow color.

Hackmanite is known for its unique property called tenebrescence. This means that the mineral can display a different color under various lighting conditions. When exposed to shortwave ultraviolet (UV) light, Hackmanite can exhibit a deep purple or violet color. However, when the UV light is removed, it gradually fades back to its original yellow or greenish-yellow color. This phenomenon is known as reversible photochromism.

The tenebrescent behavior of Hackmanite is caused by the presence of trace amounts of sulfur (S) within the crystal structure. The sulfur ions can trap electrons, which are released when exposed to UV light, resulting in the purple color. This responsive characteristic has made Hackmanite a popular material in jewelry, especially when cut into gemstones.

Hackmanite was first discovered in Greenland in 1896 and was named after Axel Hackman, a Finnish mineralogist who extensively studied the mineral. It is also found in other locations around the world, including Afghanistan, Canada, Russia, and the United States.

In addition to its use in jewelry, Hackmanite is also of scientific interest due to its ability to store luminescent energy and its potential applications in technologies such as optical data storage and fluorescent lighting.

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crysta1gems
crysta1gems
Certified Gemologist and Professional Lapidarist , Deals in Precious and Semi-Precious Gemstones and we had Mine Sources and our Prices is reasonable .
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入札履歴 (1)

予約が満たされていません

vjuenke
以前にこの販売者から購入した
7ヶ月前
$80.00

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監査

この製品は Gemstone Sheriff によって監査され、次のことが判明しました。
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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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発送詳細

配送:
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発送元:
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概要

リストタイプ : Standard
製品番号 : 2426772
入札の開始 : $1
始まります : 19th November 2024 10:00 am PST
終わり : 3rd December 2024 10:00 am PST
* すべての価格は:通貨で表示されます