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.

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