Gemmology
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Benitoite — specimen 0248, photo © NMNHS
Benitoite — specimen 0248, photo © NMNHS

Benitoitespecimen 0248

Origin

North America
USA, California, San Benito
Benitoite — specimen 0248, locality map
Data

Weight: 0.08 ct; size: 2.56 | 2.56 | 1.69 mm; shape: round; colour: light reddish orange; strong; clarity: eye clean; cut: very good; treatment: heating.
Notes

Very clean specimen; very good mixed style cut. Extremely rare form produced by heating of a colourless stone.

More information from ‘Classification’


In natrolite veins cutting glaucophane schist in a serpentine body (San Benito Co., California, USA); in a magnesio-riebeckite-quartz-phlogopite-albite dike cutting serpentinite (Japan) (Anthony et al., 2001—2005). Faceted specimens are very rare.