Brazilian Paraiba Tourmaline 3.1mm/0.144ct loose stone (CuO:1.4%, MnO:0.2%)

Paraiba tourmaline is attractive for its exquisite color, which is different from the blue of the sea and the blue of the sky. In Japan, it is defined as "blue to green tourmaline containing copper (regardless of origin)." It is a gemstone that boasts enduring popularity.

CuO: 1.4%, MnO: 0.2%. Comes with sorting from the Japan Gemstone and Precious Metals Association. This is a high-quality Paraiba tourmaline from the Patalha mine in Brazil, with high transparency and a neon feel.

Type: Loose (natural stone)
Stone name: Brazilian Paraiba tourmaline ( Paraiba tourmaline )
Weight: 0.144ct
・Size: 3.1 x 3.1 mm
Shape: Round cut
・Scratches/chips: S
Inclusions: S
Note: Heating is usually performed.
*Generally, Paraiba tourmaline is a gemstone that has been heated. However, with current identification technology, it is difficult to distinguish between heated and unheated, so the treatment is described as "Usually heated."
・Accessories: Sorting (Jewelry and Precious Metals Association), Caratz quality guarantee, loose case (if it does not fit, a clear zippered case)

▷For more information about Paraiba Tourmaline
What is Paraiba tourmaline? What are the characteristics and value differences depending on the origin, and what is the selling price?


▷We accept jewelry processing.If you would like to have your jewelry processed, please order along with the frame of your choice from the link below.
・[Select by stone] Simple order
・[Select from stones] Semi-custom
*If you would like an image of the stone in the frame, would like to discuss a full order, or have any other concerns or questions, please feel free to contact us here .
*Raw stones are not available. There are also some stones that cannot be handled.

*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.

*For information on scratches, chips, treatments, and inclusions, please click here .

*For other frequently asked questions, please click here .


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