Benitoite
Karatz GemMagazine
" Benitoite "
![アメリカ産ベニトアイト 0.114ctルース](http://store.karatz.jp/cdn/shop/files/PB025862_{width}x.jpg?v=1698933806)
American benitoite 0.114ct loose
![アメリカ産ベニトアイト 0.155ctルース](http://store.karatz.jp/cdn/shop/files/PB025832_{width}x.jpg?v=1698933845)
American benitoite 0.155ct loose
![American benitoite 0.101ct loose](http://store.karatz.jp/cdn/shop/files/PB025758_94d4a34c-5761-4eb9-8942-24fe00ba3f1d_{width}x.jpg?v=1699145122)
American benitoite 0.101ct loose
![American benitoite 0.127ct loose](http://store.karatz.jp/cdn/shop/files/PB025720_bbf71306-bf7b-4591-84e5-70329abc511a_{width}x.jpg?v=1699145171)
American benitoite 0.127ct loose
![American benitoite 0.133ct loose](http://store.karatz.jp/cdn/shop/files/PB025690_96c04f0a-da64-4e2f-9a25-c870cab6ebc2_{width}x.jpg?v=1699145285)
American benitoite 0.133ct loose
![American benitoite 0.108ct loose](http://store.karatz.jp/cdn/shop/files/PB025652_d2bb8a63-d4c3-49cc-b70e-7a08cd03e7f7_{width}x.jpg?v=1699145222)
American benitoite 0.108ct loose
![American benitoite 0.102ct loose](http://store.karatz.jp/cdn/shop/files/PB025628_42476b16-9d3c-4830-8dbd-8dd64420d47f_{width}x.jpg?v=1699145071)
American benitoite 0.102ct loose
![American benitoite 0.098ct loose](http://store.karatz.jp/cdn/shop/files/PB025590_f296c550-de9c-47b8-9991-0bf11868c77a_{width}x.jpg?v=1699144847)
American benitoite 0.098ct loose
![American benitoite 0.187ct loose](http://store.karatz.jp/cdn/shop/files/PB025564_ff216d12-bdfb-4bf6-8909-592f56d0e5e7_{width}x.jpg?v=1699144891)
American benitoite 0.187ct loose
![ベニトアイト 0.286ctルース](http://store.karatz.jp/cdn/shop/files/P9089091_d955e281-004a-4c83-8ca5-813a9808e89f_{width}x.jpg?v=1694226312)
Benitoite 0.286ct loose
![ベニトアイト 0.091ctルース](http://store.karatz.jp/cdn/shop/files/P8040316_77731399-3a91-4ec3-b968-ad1c101430f3_{width}x.jpg?v=1692594608)
Benitoite 0.091ct loose
![バイカラーベニトアイト 0.282ctルース](http://store.karatz.jp/cdn/shop/files/P6230502_16d101c2-09c2-4306-96d5-682b82990f5e_{width}x.jpg?v=1687741026)
Bicolor Benitoite 0.282ct loose
Benitoite is a popular gemstone for its bright blue hue and strong shine.
It is said that the production areas are limited, and as the rarity value increases, the price is also rising.
The mineral information of Benitoite is as follows.
English name | Benitoite |
Japanese name | benito stone |
crystal system | Hexagonal system (trigonal system) |
chemical composition formula | BaTiSi3O9 |
mohs hardness | 6.0 - 6.5 |
specific gravity | 3.64 - 3.68 |
refractive index | 1.76 - 1.80 |
luster | glass gloss |
Blue, colorless, pink, orange, etc.
In general, the higher the color, the more vivid the color, the higher the transparency without inclusions, scratches, or chips, the more beautiful the cut, the larger the size, the higher the value.
Since it is difficult to obtain large-sized items, the price tends to increase depending on the size.
The main source of gem-quality benitoite is San Benito County in the United States.
It is said to be named after San Benito County in the United States, where it was first produced.