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$81.00
Reserve nicht erfüllt
Aktuelles Gebot
1
Gebote
31/12/2024 10:00 am

Rarest Hackmanite 0.93 ct UV Fluorescence Color change

1
568
3

Artikelnummer
Abmessungen (mm)
8.120 x 5.420 x 3.740mm
Gewicht (cts)
0.930
Treatment
No Treatment
Shape
Cushion
Typ
Faceted
Clarity
SI
Farben

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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Versandanbieter Versand nach Thailand Versand in den Rest der Welt
Standard Shipping - Tracked $8.00 / 20 $18.00 / 21
Thailand
Standard Shipping - Tracked erhält Rabatt auf $16.00 bei Bestellungen mit 2 oder mehr Artikeln
Rest der Welt
Standard Shipping - Tracked erhält Rabatt auf $30.00 bei Bestellungen mit 2 oder mehr Artikeln
FedEx $40.00 / 10 $45.00 / 10
Thailand
FedEx erhält Rabatt auf $40.00 bei Bestellungen mit 2 oder mehr Artikeln
Rest der Welt
FedEx erhält Rabatt auf $45.00 bei Bestellungen mit 2 oder mehr Artikeln

crysta1gems
Certified Gemologist and Professional Lapidarist , Deals in Precious and Semi-Precious Gemstones and we had Mine Sources and our Prices is reasonable .
Bangkok , Thailand
Verifiziert
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Gebotsverlauf (1)

Reserve nicht erfüllt

vjuenke
Zuvor bei diesem Verkäufer gekauft
vor 8 Monaten
$80.00

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Prüfung

Dieses Produkt wurde von Gemstone Sheriff geprüft und es wurde Folgendes festgestellt:
  • Beschreibung Präzise
  • Bilder genau

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.

Dieses Audit wurde angefordert vor 5 Monaten
Zuletzt aktualisiert vor 5 Monaten

Versanddetails

Versand:
$18.00 21 über Standard Shipping - Tracked
Schiffe von:
Thailand

Zahlungsmöglichkeiten

  • paypal
  • stripe

Überblick

Auflistungstyp : Standard
Produkt ID : 2426772
Startgebot : $1
Beginnt : 17th December 2024 10:00 am PST
Endet : 31st December 2024 10:00 am PST
* Alle Preise sind in USD