Zircon · Zircon

Red Zircon (Hyacinth)

Red to reddish-brown zircon, the historic hyacinth, is high-type material with strong doubling and diamond-like fire. Stones are small and supply modest, mainly from Sri Lanka and Southeast Asia.

Colour
red

Transparency
Transparent

RI
1.925–1.984

SG
4.60–4.73

Mohs
6.0–7.5

Birthstone
December

🔒 Full JDMIS reference record

Sign in to unlock price ranges by tier, common misidentifications, diagnostic inclusions, treatments, spectra, trade names and sources — free with the GT200 Gem Identification course.

GT200 Gem Identification ↗ Sign in

Browse the free gem reference · Test your eye — the Great Gem Quiz · Singapore gem testing labs

Red Zircon (Hyacinth)

Related gems