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$101.00
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Enchère actuelle
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Rarest Hackmanite 1.16 ct UV Fluorescence Color change

UGS
Dimensions (mm)
9.900 x 5.410 x 3.620mm
Poids (cts)
1.160
Treatment
No Treatment
Shape
Fancy, Octagonal
Taper
Faceted
Clarity
SI
Couleurs

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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Historique des enchères (2)

Réserve non remplie

danifor48
Acheté auprès de ce vendeur précédemment
il y a 3 mois
$100.00
vjuenke
Acheté auprès de ce vendeur précédemment
il y a 7 mois
$95.00

Pourquoi les utilisateurs se surenchérissent-ils ?

Lorsqu'une enchère est placée, il s'agit du montant maximum qu'un utilisateur est prêt à enchérir pour le produit. Notre système enchérira ensuite automatiquement au nom de cet utilisateur, augmentant progressivement l'enchère pour maintenir sa position d'enchérisseur le plus élevé, jusqu'au maximum spécifié.

Lorsqu'il y a une icône indiquant "Enchère automatique", cela signifie que notre système place activement des enchères pour l'utilisateur en fonction de son enchère maximale. Cela peut donner l'impression que les utilisateurs surenchérissent eux-mêmes, mais c'est simplement le résultat de la mise à jour de l'enchère par le système pour refléter la limite maximale des utilisateurs.

Audit

Ce produit a été audité par un Gemstone Sheriff et ils ont trouvé ce qui suit :
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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.

Cet audit a été demandé il y a 3 mois
Dernière mise à jour il y a 3 mois

Les détails d'expédition

Expédition:
$18.00 :compter les jours via Standard Shipping - Tracked
Expédié depuis:
Thailand

Options de paiement

  • paypal

Aperçu

Type d'inscription : Standard
Identifiant du produit : 2426778
Enchère de départ : $1
Départs : 22nd October 2024 11:13 pm PDT
Prend fin : 5th November 2024 10:13 pm PST
* Tous les prix sont en :devise