Hackmanite 0.100ct loose

Rare stone, hackmanite. It has a strange feature: when you expose it to a black light for about 5 to 10 seconds, the color changes to a pale purple, and it does not return to its original color for a while. This is a relatively new type of rare stone that was discovered on the Kola Peninsula in Russia in the 1980s. Since the hardness is low, you need to be careful not to hit it against hard objects. It is a loose faceted cut with high transparency among Hackmanite.

・Type: Loose (natural stone)
・Stone name: Hackmanite
・Weight: 0.100ct
・Scratch/chip: S
・Inclusion: A+
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・Accessories: Karatz quality guarantee card, case

▷For more information on how to enjoy Hackman Night
Hackmanite is a fun piece of jewelry! ? Will the color changed by UV rays return?


▷We accept jewelry processing
If you would like to have jewelry processed, please place your order along with your desired frame from the link below.
・[Choose from stones] Simple order
・[Choose from stones] Semi-order
*If you would like a photo of a stone placed in a frame, would like to discuss a full order, or have any other questions or concerns, please feel free to contact us here .
*Rough stones are not available. There are also some stones that cannot be used.

*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.

*Click here for information on scratches, chips, treatments, and inclusions.

*For other frequently asked questions, please click here .


karatz_item_id: 12534853