Fire Sphene (Titanite) – Gem Description

Chemical composition: Calcium titanium silicate (CaTiSiO5)

Crystal system: Monoclinic

Hardness: 5–5.5 on the Mohs scale

Luster: Adamantine to subadamantine

Transparency: Transparent to translucent

Refractive index: 1.843–2.110

Dispersion (fire): 0.051 (higher than diamond’s 0.044)

Specific gravity: 3.52–3.54

Appearance and Optical Qualities

• Fire sphene is renowned for its extraordinary brilliance and dispersion, showing flashes of red, orange, yellow, and green—hence the name “fire.”

• It often exhibits a pleochroic effect, meaning different colors appear when viewed from different angles.

• Common body colors include green, golden-yellow, brown, and orange, with green and yellowish-green being most desirable.

• High-quality gems are eye-clean with intense sparkle and vivid internal “rainbow” flashes.

Origin and Sources

Major sources include:

• Madagascar

• Pakistan

• Sri Lanka

• Mexico

• Brazil

• Canada

Care and Handling

Due to its relatively low hardness and perfect cleavage, fire sphene is not ideal for everyday jewelry. It is best used in pendants, earrings, or collector pieces, rather than rings. Always avoid ultrasonic and steam cleaners.

Metaphysical Associations

(for those interested)

• Said to enhance clarity, creativity, and intuition.

• Believed to help align the solar plexus and sacral chakras, promoting confidence and motivation.