Epidote — specimen 0054, photo © NMNHS

Epidote — specimen 0054

Origin

South Asia

Sri Lanka

Data

Weight: 0.52 ct; size: 5.06 | 4.22 | 3.00 mm; shape: octagon; colour: medium dark greenish yellow; strong; clarity: eye clean; cut: very good; treatment: none.

Notes

Very clean specimen; very good step cut style. Source: John Bradshaw, Coast to Coast Rare Stones International.

More information from ‘Classification’

Epidote

Characteristic of several facies of regionally metamorphosed rocks and some contaminated felsic igneous rocks; in contact zones between igneous and calcareous sedimentary rocks; from alteration of plagioclase (Anthony et al., 2001—2005). Faceted specimens are rare.