1 pcs Purple Hackmanite - 24.88 ct - International Gemological Institute (IGI)
05
days
08
hours
24
minutes
28
seconds
Current bid
€ 1
Reserve price not met
Expert
Selected by Purificacion Aquino Garcia
Holds a gemmology degree from IGE Madrid and an MBA from University of Santiago de Compostela.
Retail Estimate € 9,000 - € 10,900
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Description from the seller
IGI Certified Hackmanite ( Sodalite ) . Its quite rare to find gem grade hackmanite. It has strong fluorescence & unusual gem because it exhibits a special optical property know as tenebrescence,” a type of reversible photochromism . This feature allows gems to temporarily change color when exposed to different light form .
It has silk form inclusion as visible as in the photos. Color change effects can be spotted it depends on the light. It has very good size & good luster. Production of Hackmanite is very limited.
Collectors item
IGI Report No : 706541894
Weight : 24.88 ctw
Color : Purple
Cut : Cushion Mixed Cut
Transparency : Transparent
Measurements : 18.18 x 16.38 x 13.20mm
Characteristic : Natural inclusions pattern
Comment : Tenebrescence Effect
No indication of thermal treatment
Origin : Badakshan Afghanistan / Not mentioned in report
Shipping will be via FedEx with full insurance
Seller's Story
We are suppliers of precious and semi precious colored gemstones. We supply both cut and raw gemstones. We also make custom made jewelry after your own design. We have direct source in mining area in Based at the source of one of the world’s most exciting gem producing areas we are in the enviable position to be able to select out the very best rough crystals as they come out of the mines. Hope you find them exciting. If you have any questions feel free to contact us.
IGI Certified Hackmanite ( Sodalite ) . Its quite rare to find gem grade hackmanite. It has strong fluorescence & unusual gem because it exhibits a special optical property know as tenebrescence,” a type of reversible photochromism . This feature allows gems to temporarily change color when exposed to different light form .
It has silk form inclusion as visible as in the photos. Color change effects can be spotted it depends on the light. It has very good size & good luster. Production of Hackmanite is very limited.
Collectors item
IGI Report No : 706541894
Weight : 24.88 ctw
Color : Purple
Cut : Cushion Mixed Cut
Transparency : Transparent
Measurements : 18.18 x 16.38 x 13.20mm
Characteristic : Natural inclusions pattern
Comment : Tenebrescence Effect
No indication of thermal treatment
Origin : Badakshan Afghanistan / Not mentioned in report
Shipping will be via FedEx with full insurance
Seller's Story
We are suppliers of precious and semi precious colored gemstones. We supply both cut and raw gemstones. We also make custom made jewelry after your own design. We have direct source in mining area in Based at the source of one of the world’s most exciting gem producing areas we are in the enviable position to be able to select out the very best rough crystals as they come out of the mines. Hope you find them exciting. If you have any questions feel free to contact us.
Details
Nr of stones
1
Lab report number
706541894
Gemstone type
Hackmanite
Total carat weight
24.88
Gemstone colour
Purple
Optical effect
Tenebrescence
Cut grade
Good
Transparency
Transparent
Clarity grade
Slight
Treatment
No evidence of treatment
Origin as given on certificate
No origin given
Laboratory Report
International Gemological Institute (IGI)
Sealed by laboratory
No
Shape
Cushion
Cutting style
Mixed cut
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Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
