






















Aragonite 2.088ct loose Japanese-German book
The Japanese name for aragonite is araishi (hailstone). It is so named because calcium carbonate is formed in the shape of small hailstones falling from the sky. Its Mohs hardness is 3.5 to 4, which is a little low. Its hardness requires caution when wearing it all the time in a ring or similar. It has a beautiful glass-like luster. It comes with a certificate of identification from the Japan-Germany Gemological Institute.
Type: Loose (natural stone)
・Stone name: Aragonite
Weight: 2.088ct
・Scratches/chips: S
Inclusions: S
·remarks:---
・Accessories: Certificate of Authenticity (Japan-Germany Gemstone Research Institute), case
▷For more information about aragonite
What kind of gemstone is aragonite? Is it really a relative of calcite?
*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 .
*If you pay by credit card, the security company may contact you to verify your identity.
karatz_item_id: 12529476
Choose options



![[Restock on June 27th at 10 PM] Authentic Gemstone Encyclopedia 3D Stickers Vol. 1: The Big Five Gems](http://store.karatz.jp/cdn/shop/files/IMG_3658.jpg?v=1781061036&width=3384)
![[On sale at 10 PM on 6/21] Sapphire Gacha💎 with a chance to win one of 12 limited cornflower blue sapphires with AIGS certification. Comes with a trillion-cut sapphire bonus. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/45_75d03d61-7075-4fab-8847-80c7faf27910.png?v=1781499622&width=1890)
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/2026-06-2516.42.36.png?v=1782373473&width=1280)

























![[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)