

















[Available 10/4, 10:00 PM] Mongolian Color-Change Andesine 8.0mm/1.829ct Loose Stone
Andesine is a rare stone named after the Andes Mountains. While not widely known as a gemstone, some andesine specimens exhibit a color change similar to alexandrite. It is a wonderful addition to any collection. Please enjoy the color change using a red-spectrum color-change penlight.
This is a clear, Mongolian-sourced andesine with high transparency, making it difficult to spot any inclusions even under a loupe. The cut is also meticulously crafted, allowing you to enjoy its beautiful brilliance.
・Type: Loose (natural stone)
・Stone Name: Color-Change Andesine
・Weight: 1.829ct
・Size: 8.0×8.0mm
・Shape: Round cut
・Flaws/Chips: S
・Inclusions: S
・Remarks: Generally, diffusion treatment is performed.
*Color-change andesine is a gemstone that is generally diffusion-treated.
・Included items: KARATZ quality guarantee, loose stone case (or a clear zip-top bag if it does not fit)
▷Jewelry processing available
If you would like jewelry processing, please order together with your preferred setting from the links below.
・[Select from stone] Simple Order
・[Select from stone] Semi-Order
*If you would like an image of the stone placed on a setting, have questions about custom orders, or have any other inquiries, please feel free to contact us here.
*Raw stones are not eligible. Some stones may also be ineligible for processing.
* While we strive to ensure that the photos represent the actual colors of the stones, they may appear slightly different due to lighting conditions during photography or your monitor settings. Some photos may also be taken using a penlight.
* For products with UV fluorescence photos, they 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 observe. The blacklight used by our store can be found here.
* Please see here for information regarding flaws/chips, treatments, and inclusions.
* For other frequently asked questions, please see here.
karatz_item_id: 12564385
Choose options



![[10/ 22:00 Sale] 《Limited to 15 Stones》 Rare Stone Gacha 《Multiple Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/collage_050a75e9-20d3-45c3-b236-bae30a97bc35.png?v=1792237901&width=2000)







![[Available from 10/22] <<limited to stones>> Tanzanian Winza Sapphire, Avg. 0.47ct <<multi-purchase discount available>></multi-purchase></limited>](http://store.karatz.jp/cdn/shop/files/collage_3491990c-c886-4740-824c-edc3c5228775.png?v=1792227669&width=2000)
![[Item 12564594] Sri Lankan Uva Moonstone 0.566ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA090991.png?v=1792447719&width=4000)





![[Item No. 22602841] [Colori] Pt900 Chrysoberyl Cat's Eye 2.35ct Diamond 0.31ct Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/PA130210.jpg?v=1791961747&width=4000)


![[Ref: 12564456] Mozambique Aquamarine 0.837ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9304778_1205a47a-754d-4e91-81eb-b5504df57807.jpg?v=1791985647&width=2889)






![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)


![[Jeweler's Tools] Color change penlight loose set](http://store.karatz.jp/cdn/shop/files/P1010673_2976de1d-08ce-4d92-94af-524da4485c99.jpg?v=1725605083&width=4000)