Prasiolite (Green quartz or green amethyst)

Pair of green prasiolites in a precision cut oval 16.68 carats, Africa

Contrasting pair of yellow citrine and prasiolite (green quartz) in a precision oval cut 19.40 carats, Africa

Contrasting pair of violet amethyst and prasiolite (green quartz) in a high-precision cut oval 17.23 carats, Africa

Pair of Sky blue topaz and prasiolite (green quartz) in high precision oval cut 19.48 carats

Green prasiolite (green quartz) set in high precision oval cut 24.62 carats, Africa

Green prasiolite (green quartz) precision cut oval 7.87 carats, Africa