This is the Benitoite specimen, from California, USA, wide around 9.7cm. Benitoite is a rare gem mineral, and California designated benitoite as the official state gemstone in 1985. This Benitoite has clear geometric crystal shape, adamantine luster, deep blue color, will glow bright blue under UV shortwave, and the more rarely, it will glow pale red under UV longwave. Also sharp blue crystal, on the white matrix, strong color contrast, crystal is outstanding, nice quality Benitoite specimen!
Size: 9.7-5-4.5cm
NO.20211130XLZ01.
More Details: 1 video (under natural light and UV shortwave)and 2 pictures: