Tourmaline · Tourmaline

Rubellite (Red Tourmaline)

Rubellite is the red manganese tourmaline, prized when its raspberry red holds steady under all lights. It is the October birthstone's most ruby-like face.

Colour
red

Transparency
Transparent

RI
1.624–1.644

SG
3.00–3.26

Mohs
7.0–7.5

Birthstone
October

🔒 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

Red Beryl (Bixbite) Almandite Plastic — Red-Pink Ruby

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