Is sphene a gemstone?
Sphene, better known to mineralogists as titanite, is a spectacular gemstone prized by collectors for its diamond-like luster and high dispersion. The name sphene is derived from a Greek rook meaning wedge for the shape of its crystals.
What type of stone is sphene?
Sphene belongs to the titanite mineral group, occurring as an accessory mineral in granitic and calcium-rich metamorphic rocks, and is the only member of the group commonly used in jewelry.
What is sphene made of?
Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium; calcium may be partly replaced by thorium.
What is sphene used for?
Sphene aids the wearer in processing information, as well as in all aspects of improving the mind. It is an excellent aid for debating, theorizing and studying. Sphene also promotes spiritual enlightenment and teaches us to let go of our craving for love.
How much is sphene worth?
The Titanite value depends on various quality factors including origin, a wide range of colors, size, luster, fire intensity, and the certifications it carries. Based on the quality factors discussed above, the Titanite or Sphene price per carat can start from INR 7,000 ($ 95) and goes up to INR 20,000 ($ 275).
Is green sphene rare?
Sphene is a very rare brilliant yellowish-green, green, orange or brown gemstone with a high luster, also known as “titanite” due to its titanium content.
Is titanite the same as sphene?
Sphene, also known as titanite, has rich body colors, strong trichroism, and a fire that exceeds diamond. Although softer than many more popular gems, sphenes can make wonderful jewelry stones if set and maintained properly.
How do you identify sphene?
Sphene (Titanite) Information
Colorless, yellow, green, gray, brown, blue, rose red, black. Often zoned. Color correlates with Fe content: green and yellow due to low Fe; brown and black due to high Fe. 3.45-3.55.
What is the meaning of sphene?
Definition of sphene
: a mineral that is a silicate of calcium and titanium and often contains other elements.