Organic · Horn

Horn

Fibrous keratin horn, mainly from buffalo and cattle, is a light, warm-toned carving and bead material whose undulating banding and burnt-hair hot-point reaction identify it at once.

Colour
brown

Transparency
Semitransparent to opaque

RI
1.560

SG
1.70–1.85

Mohs
2.5

🔒 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

Related gems

Hematite Tortoise Shell Pyrite Smoky Quartz

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