Fluorapatite — specimen 0057, photo © NMNHS

Fluorapatite — specimen 0057

Origin

East Africa

Madagascar

Fluorapatite — specimen 0057, locality map

Data

Weight: 0.82 ct; size: 7.00 | 5.08 | 3.54 mm; shape: oval; colour: medium light very strongly bluish green; very slightly greyish; clarity: eye clean; cut: very good; treatment: none.

Notes

Very clean specimen; very good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.

Other specimens

More information from ‘Classification’

Fluorapatite

The most common rock-forming phosphate mineral; accessory in most igneous rocks, important in syenites, alkaline rocks, carbonatites, granite pegmatites; common in marbles and skarns (Anthony et al., 2001—2005).