Sphene
Titanite
Precious Gemstone
What is Sphene?
Sphene, also known as Titanite, is a calcium titanium nesosilicate mineral. It is prized for its brilliance and fire, which is due to its high dispersion. Sphene crystals are often wedge-shaped and can exhibit a wide range of colors, including green, yellow, brown, and red. It is a gemstone that is relatively rare and sought after by collectors.
Optical Properties
- Refractive Index
- 1.843 - 2.050
- Birefringence
- 0.051 to 0.280
- Pleochroism
- Strong
- Optical Character
- Biaxial (+)
- Dispersion
- 0.051 (Very High)
Sphene Market Value Calculator
Estimate the market value of Sphene using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Sphene Localities Map
See where Sphene is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Yellow, green, brown, red, or black
- Hardness (Mohs)
- 5 - 5.5
- Density
- 3.52 - 3.54 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CaTiSiO5
- Elements
- Calcium, Titanium, Silicon, Oxygen
Also Known As
SpheneTitanite
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