Sapphirine — specimen 0052, photo © NMNHS

Sapphirine — specimen 0052

Origin

South Asia

Sri Lanka

Sapphirine — specimen 0052, locality map

Data

Weight: 0.10 ct; size: 2.81 | 2.80 | 1.99 mm; shape: round; colour: medium dark very strongly greenish blue; very slightly greyish; clarity: eye clean; cut: fair; treatment: none.

Notes

Very clean specimen; mixed style cut.

Other specimens

More information from ‘Classification’

Sapphirine

In high-temperature metamorphic rocks or xenoliths with abundant aluminium and magnesium and low silicon; may occur as a primary magmatic mineral in subsilicic rocks (Anthony et al., 2001—2005). Very rare as faceted specimens.