Brazilian Paraiba Tourmaline 0.099ct Loose Gemstone

Paraiba tourmaline is captivating for its exquisite hue, which differs from both the deep blue of the sea and the light blue of the sky. In Japan, its definition is established as "a copper-bearing tourmaline ranging from blue to green (regardless of origin)." It is a gemstone that boasts enduring popularity. CuO:2.0%,MnO:0.5%

・Type: Loose stone (natural)
・Stone name: Brazilian Paraiba Tourmaline (Paraiba Tourmaline)
・Weight: 0.099ct
・Size: 3.0×2.9mm
・Shape: Round cut
・Scratches/Chips: S-A+
・Inclusions: A
・Notes: Usually heated.
　*Paraiba tourmaline is a gemstone that is generally heated. As it is currently difficult for appraisal technology to distinguish between heated and unheated stones, we list the treatment as "usually heated."
・Accessories: Sorting (Gemological Association of Japan), KARATZ quality guarantee, loose stone case (or a clear zip bag if the stone does not fit)

※ Although we strive to ensure that the colors in our photos match the actual products, the appearance may vary slightly depending on lighting conditions at the time of photography or your monitor settings. Some photos may also be taken using a penlight.

※ For products featuring UV fluorescence photos, images are taken using a 365nm wavelength blacklight. If you use a light with a different wavelength (e.g., around 395nm), the fluorescence may appear weaker or be difficult to confirm. The blacklight we use can be found here.

※ For information regarding scratches, chips, treatments, and inclusions, please see here.

※ For other frequently asked questions, please see here.


karatz_item_id: 12563818