















Laurentomasite from Madagascar 3mm/0.083ct loose Japanese-German edition
Laurentomasite was recently certified as a new mineral in 2019. It is a rare stone that is difficult to judge by appearance alone, as it looks similar to Grandidierite. It was named after its discoverer, geologist Lauren Thomas. A certificate of identification from the Japan-German Gem Research Institute is included. It is approximately 3mm in size.
・Type: Loose (natural stone)
・Stone name: Laurentomasite
・Weight: 0.083ct
・Scratch/chip: S
・Inclusion: A+
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), case
*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.
*Click here for information on scratches, chips, treatments, and inclusions.
*For other frequently asked questions, please click here .
karatz_item_id: 12543585
・Type: Loose (natural stone)
・Stone name: Laurentomasite
・Weight: 0.083ct
・Scratch/chip: S
・Inclusion: A+
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), case
*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.
*Click here for information on scratches, chips, treatments, and inclusions.
*For other frequently asked questions, please click here .
karatz_item_id: 12543585
Choose options



![[10/2 (Fri) 10 PM Restock] Authentic Gemstone Illustrated 3D Stickers Vol. 1: The Five Major Gemstones Edition](http://store.karatz.jp/cdn/shop/files/IMG_3658.jpg?v=1781061036&width=3384)
![[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/collage_f4ce5d64-8804-46cd-8a67-6e5dfa2be8a9.png?v=1785924412&width=4000)
![[On sale August 13th, 10 PM JST] Limited to 10 stones: Top-quality Benitoite (2mm, round cut) loose stone [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/PC080074_50a7da98-e5da-4a97-bdb2-a97224e584da.jpg?v=1715001409&width=3569)




![[Available 11/1 at 10 PM] 《7 stones limited》 Synthetic Cobalt Spinel (by Mr. Saint-Ger, 3mm hexagonal cut) 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/2026-10-1111.00.09.png?v=1791684034&width=1246)

















![[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)