Gadolinite-(Y) — specimen 0087, photo © NMNHS

Gadolinite-(Y) — specimen 0087

Origin

Europe

Norway

Gadolinite-(Y) — specimen 0087, locality map

Data

Weight: 2.21 ct; size: 8.45 | 6.45 | 3.48 mm; shape: octagon; colour: black; clarity: opaque; cut: very good; treatment: none.

Notes

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

More information from ‘Classification’

Gadolinite-(Y)

In granite and alkalic granite pegmatites (Anthony et al., 2001—2005). Faceted specimens are extremely rare.