Man-made product · Glass (gem imitation)

Glass — Orange-Yellow

Man-made glass imitating citrine, golden topaz, yellow sapphire and heliodor - identified by bubbles, swirls, mold seams, low hardness and single refraction.

Colour
orange

Transparency
Transparent

RI
1.470–1.700

SG
2.30–4.50

Mohs
5.0–6.0

🔒 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

Glass — Orange-Yellow

Related gems