Sphene (Titanite) Information

Sphene, also known as titanite, is a captivating gemstone prized for its exceptional brilliance and fire. This rare gem displays a striking array of colors, often appearing in shades of green, yellow, brown, or even reddish hues. Sphene's high dispersion, surpassing even that of diamond, results in a dazzling play of light and vibrant spectral flashes. Despite its relatively low hardness, sphene's unique optical properties and vivid colors make it a cherished gem among collectors and connoisseurs.

Facts About Sphene:

• Mineral Type: Sphene is a variety of the mineral titanite, which is a calcium titanium silicate.
• Locations Found: Significant deposits of sphene are found in Brazil, Madagascar, Mexico, Pakistan, Russia, Austria, and the United States (California and New York).
• Mohs Hardness: Sphene has a Mohs hardness of 5 to 5.5, making it relatively soft and suitable for jewelry that is worn with care.
• Common Treatments: Sphene is typically untreated, but some stones may be heat-treated to enhance their color.
• Refractive Index: The refractive index of sphene ranges from 1.843 to 2.110.
• Birefringence: Sphene exhibits strong birefringence, typically in the range of 0.105 to 0.135.
• Specific Gravity: Sphene has a specific gravity of 3.52 to 3.54.

Sphene's remarkable dispersion and vibrant colors make it a gemstone of extraordinary beauty and interest. Although it requires careful handling due to its softness, its stunning visual properties make sphene a prized addition to any gem collection. Whether admired for its radiant fire or its intriguing range of hues, sphene remains a gemstone that captivates and delights those who appreciate its unique charm and brilliance.