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Presenting Hackmanite 30.0 ct Big Size Photoluminescent & Tenebrescent

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Details
SKU
Dimensions (mm)
21.5 x 17.5 x 12.9mm
Weight (cts)
30
Treatment
No Treatment
Type
Cabochon
Shape
Oval
Colours
Description

Discovered in Greenland in the late 1890’s, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hackmanite; at best, most crystals are translucent. Hackmanite is the light pink to pale violet variety of sodalite. It is a particularly unusual gem because it exhibits a special optical property known as “tenebrescence,” a type of reversible photochromism. This feature allows the gems to temporarily change color when exposed to different light forms. While hackmanite gems are usually pink to violet, the color quickly fades to gray or greenish-white in sunlight, and will slowly return to the original color after changing the light. Its tenebrescent property makes hackmanite a prized mineral for collectors.

About us:
We have been in gemstones business for over 15 years now and Successful member of GRA for over 8 years. We constantly try to improve our Gemstones Quality and improve our photography quality on daily basis. We do not deal in synthetics and Manmade gemstones and we fully disclose any treatment if there is.

Shipping
Provider Destination Cost
Standard Shipping - Tracked Default Rest of World
21 days
first item
per additional item
shipping capped at
FedEx Rest of World
4 days
first item
per additional item
shipping capped at
Standard Shipping - Tracked Default Thailand
7 days
first item
per additional item
shipping capped at
FedEx Thailand
2 days
first item
per additional item
shipping capped at
Store
Presenting Hackmanite 30.0 ct Big Size Photoluminescent & Tenebrescent

argemsjewelry

Bangkok, Thailand
Owned by argemsjewelry
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Audit

The Gemstone Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Shipping Details

Costs:
Transit:
21 days via Standard Shipping - Tracked
Capped at:
Ships from:
Thailand

Payment Options

  • paypal

Overview

Listing Type : Standard
Product ID : 2374124
Starts : 27th March 2026 04:41 pm PDT
* All prices are in USD

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