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Andesine is a rare stone named after the Andes Mountains. While not widely known as a gemstone, some andesine specimens exhibit a color-change effect similar to alexandrite. It is a wonderful addition to any collection. Please use a red-toned color-change penlight to enjoy the effect.
This is a highly transparent andesine from Mongolia, so clear that it is difficult to find inclusions even with a loupe. It has also been meticulously cut, allowing you to enjoy its beautiful brilliance.
・Type: Loose stone (natural)
・Stone name: Color-change andesine
・Weight: 1.327ct
・Size: 7.0 x 7.0 mm
・Shape: Round cut
・Scratches/Chips: S
・Inclusions: S
・Notes: Diffusion treatment is generally applied.
*Color-change andesine is a gemstone that is generally diffusion treated.
・Accessories: KARATZ quality guarantee, loose stone case (or a clear zip-lock case if it does not fit)
▷Jewelry Customization Available
If you would like to have this stone made into a piece of jewelry, please order it along with your preferred setting from the links below. ・[Select by Stone] Simple Order
・[Select by Stone] Semi-Order
*If you would like a mock-up photo of the stone set in a frame, wish to discuss a custom order, or have any other questions, please feel free to contact us here.
*Rough stones are not eligible. Some stones may also be ineligible for customization.
* We strive to ensure that the colors in our photos are as accurate as possible, but they may appear slightly different from the actual product due to lighting conditions during photography or your monitor settings. In some cases, photos are taken using a penlight.
* For products featuring UV fluorescence photos, we use 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 on scratches/chips, treatments, and inclusions, please see here.
* For other frequently asked questions, please see here.
karatz_item_id: 12564382
This is a highly transparent andesine from Mongolia, so clear that it is difficult to find inclusions even with a loupe. It has also been meticulously cut, allowing you to enjoy its beautiful brilliance.
・Type: Loose stone (natural)
・Stone name: Color-change andesine
・Weight: 1.327ct
・Size: 7.0 x 7.0 mm
・Shape: Round cut
・Scratches/Chips: S
・Inclusions: S
・Notes: Diffusion treatment is generally applied.
*Color-change andesine is a gemstone that is generally diffusion treated.
・Accessories: KARATZ quality guarantee, loose stone case (or a clear zip-lock case if it does not fit)
▷Jewelry Customization Available
If you would like to have this stone made into a piece of jewelry, please order it along with your preferred setting from the links below. ・[Select by Stone] Simple Order
・[Select by Stone] Semi-Order
*If you would like a mock-up photo of the stone set in a frame, wish to discuss a custom order, or have any other questions, please feel free to contact us here.
*Rough stones are not eligible. Some stones may also be ineligible for customization.
* We strive to ensure that the colors in our photos are as accurate as possible, but they may appear slightly different from the actual product due to lighting conditions during photography or your monitor settings. In some cases, photos are taken using a penlight.
* For products featuring UV fluorescence photos, we use 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 on scratches/chips, treatments, and inclusions, please see here.
* For other frequently asked questions, please see here.
karatz_item_id: 12564382
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[Item 12564382] Mongolian Color-Change Andesine 1.327ct Loose Gemstone
Sale price¥14,800
Regular price



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