Sugilite — specimen 0040, photo © NMNHS

Sugilite — specimen 0040

Origin

Southern Africa

South Africa, Northern Cape, Kuruman, Wessels mine

Data

Weight: 0.17 ct; size: 3.85 | 3.81 | 1.68 mm; shape: round; colour: medium dark bluish violet; very slightly greyish; clarity: opaque; cut: fair; treatment: none.

Notes

Clean specimen; cabochon style cut.

More information from ‘Classification’

Sugilite

In an aegirine-bearing syenite stock in biotite granite (Iwagi Islet, Japan); in manganese deposits (near Kuruman, South Africa) (Anthony et al., 2001—2005).