The mineral sphene, also known as titanite, has an interesting color palette of green, yellow and brown. About using spenov in jewelry know very few fans of jewelry. The reason for low popularity of sphene is the significant rarity of this mineral. In addition, sphene have a low hardness (5 Mohs scale), making it difficult to work with them in the manufacture of jewelry.
A huge advantage of sphene perform their remarkable optical properties. The minerals have a high variance, exceeding the dispersion of diamonds. Because of this, spiny bright sparkle and shimmer under direct light source. Mounting stones in jewelry is a challenge for jewelers, because titanite easily scratched with excessive force.
To the higher price category spiny bright green. The gems are yellow and brown are estimated below. Gemological curiosities are the mineral weighing more than 15 carats, has a rich green color and excellent clarity.
Spiny practically not subjected to refinement. There is information about the possibility of lightening the dark gems by heat treatment.
Rocks suitable for jewelry, are mined in small quantities. Supplies jewelry sphene are from the fields of Madagascar, Pakistan, Tajikistan, Sri Lanka, Myanmar (Burma), Brazil and the United States. Forefront in supplying the world market with quality titanite is Madagascar.
Jewelers rarely use spiny in the manufacture of jewelry. The reason is the low hardness of minerals, the difficulty of attachment of titanite in the product, the probability of scratches during everyday wear.
It is recommended to purchase jewelry titanite in which the possibility of contact of the gem with the surrounding objects is minimized. Preference should be given pendants (the pendants), or earrings with sphene. The best option would be a piece of jewelry with gem, protected elements from external influences. First and foremost, the recommendation applies to the rings. Note that almost all jewelry with sphene are performed on individual orders.