Showing 1–20 of 31 results

Sphene

Chemical Composition : CaTiSiO5 Calcium Titanium Silicate

Hardness : 5.0 – 5.5

Specific Gravity (Density) : 3.48 – 3.60 (g/cm3)

Refractive Index : 1.843 – 2.110 Biaxial ( + )

Titanite (also known as Sphene) is a beautiful gem with high dispersion, high refractive index (greater than Diamond), high birefringence and intense red, green and yellow colors. Unfortunately, it also has low hardness and is brittle so not recommenced for jewelry. Titanite is typically slightly to moderately included and clean gems are particularly rare and beautiful. Titanite may be mildly radioactive as defined in 49 CFR 173.403 (greater than 70 Bq/gram) due to the presence of the Rare Earth Elements (REE) Cerium (Ce), Lanthanum (La), Neodymium (Nd), Praeseodymium (Pr) and Samarium (Sm). Titanite may also be metamict. This means that the original crystal structure has been broken down and turned amorphous due to radiation damage. An intensly vivid green, chromium (Cr) rich variety of Titanite exists called Chromian Titanite. The main source of Chromian Titanite is the Saranovskii Mine, Saranovskaya Village, Gornozavodskii area, Permskaya Oblast’, Middle Urals Region, Russia.

Notable occurances of gemmy crystals of Titanite include Gilget and Badakhshan Provinces, Afghanistan; Pi~no Solo. From Campo do Boa, Capelinha, Minas Gerais, Brazil; Antsiranana and Tuléar Provinces, Madagascar; Skardu District, Baltistan, Northern Areas, Pakistan; and Subpolar Ural Mountains, Russia.

Sphene / Titanite

Sphene 2.57ct 10.12×7.19×4.50mm Natural Gemstone Sri Lanka

 5,397
SKU: AK4140
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct

Gem Type

Faceted

Sphene 2.13ct 8.34×6.33×5.12mm Natural Gemstone Sri Lanka

 4,473
SKU: AK4139
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct

Gem Type

Faceted

Sphene 1.37ct 7.69×6.07×3.89mm Natural Gemstone Sri Lanka

 2,877
SKU: AK4138
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

1 – 1.99 ct

Gem Type

Faceted

Sphene 2.25ct 8.67×7.06×4.85mm Natural Gemstone Sri Lanka

 4,725
SKU: AK4137
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct

Gem Type

Faceted

Sphene 1.30ct 7.34×6.30×3.50mm Natural Gemstone Sri Lanka

 2,730
SKU: AK4136
Colours

All Colours, Green

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

1 – 1.99 ct, All Weight

Gem Type

Faceted

Sphene (Titanite) Gemstone 3.13ct

 15,650
SKU: AK00481
Colours

All Colours, Greenish

Origin

All Origins, Ceylon

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 1.70ct 8.49×6.96×3.52mm Natural Gemstone Sri Lanka

 3,570
SKU: AK4135
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

1 – 1.99 ct

Gem Type

Faceted

Sphene 2.34ct Natural Gemstone Sri Lanka

 5,148
SKU: AK18512
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 2.47ct Natural Gemstone Sri Lanka

 5,434
SKU: AK18513
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 2.48ct Natural Gemstone Sri Lanka

 5,456
SKU: AK18511
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 2.68ct Natural Gemstone Sri Lanka

 5,896
SKU: AK18514
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 3.65ct Natural Gemstone Sri Lanka

 8,212
SKU: AK18517
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 3.77ct Natural Gemstone Sri Lanka

 8,294
SKU: AK18515
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 3.87ct Natural Gemstone Sri Lanka

 8,901
SKU: AK18519
Colours

All Colours, Greenish

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 4.24ct Natural Gemstone Sri Lanka

 9,752
SKU: AK18520
Colours

All Colours, Green

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Pear

Weight

4 – 4.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 4.25ct Natural Gemstone Sri Lanka

 3,775
SKU: AK18518
Colours

All Colours, Green

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

4 – 4.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 4.60ct Natural Gemstone Sri Lanka

 10,120
SKU: AK18516
Colours

All Colours, Yellow

Origin

All Origins, Sri Lanka

Shapes

All Shapes, Oval

Weight

4 – 4.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Sphene 3.65ct 11.28×9.61×4.58mm Natural Gemstone Sri Lanka

 19,163
SKU: AK4134
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

3 – 3.99 ct

Gem Type

Faceted

Sphene 4.44ct 12.06×9.45×5.05mm Natural Gemstone Sri Lanka

 13,986
SKU: AK4133
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

4 – 4.99 ct

Gem Type

Faceted

Sphene 4.72ct 11.58×8.18×6.06mm Natural Gemstone Sri Lanka

 14,868
SKU: AK4132
Colours

Green

Origin

Sri Lanka

Shapes

All Shapes, Oval

Weight

4 – 4.99 ct

Gem Type

Faceted

Sphene

Chemical Composition : CaTiSiO5 Calcium Titanium Silicate

Hardness : 5.0 – 5.5

Specific Gravity (Density) : 3.48 – 3.60 (g/cm3)

Refractive Index : 1.843 – 2.110 Biaxial ( + )

Titanite (also known as Sphene) is a beautiful gem with high dispersion, high refractive index (greater than Diamond), high birefringence and intense red, green and yellow colors. Unfortunately, it also has low hardness and is brittle so not recommenced for jewelry. Titanite is typically slightly to moderately included and clean gems are particularly rare and beautiful. Titanite may be mildly radioactive as defined in 49 CFR 173.403 (greater than 70 Bq/gram) due to the presence of the Rare Earth Elements (REE) Cerium (Ce), Lanthanum (La), Neodymium (Nd), Praeseodymium (Pr) and Samarium (Sm). Titanite may also be metamict. This means that the original crystal structure has been broken down and turned amorphous due to radiation damage. An intensly vivid green, chromium (Cr) rich variety of Titanite exists called Chromian Titanite. The main source of Chromian Titanite is the Saranovskii Mine, Saranovskaya Village, Gornozavodskii area, Permskaya Oblast’, Middle Urals Region, Russia.

Notable occurances of gemmy crystals of Titanite include Gilget and Badakhshan Provinces, Afghanistan; Pi~no Solo. From Campo do Boa, Capelinha, Minas Gerais, Brazil; Antsiranana and Tuléar Provinces, Madagascar; Skardu District, Baltistan, Northern Areas, Pakistan; and Subpolar Ural Mountains, Russia.

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